2 The Nature Of Matter Testlabz-Books Pdf

2 THE NATURE OF MATTER Testlabz
09 Mar 2020 | 24 views | 0 downloads | 17 Pages | 972.21 KB

Share Pdf : 2 The Nature Of Matter Testlabz

Download and Preview : 2 The Nature Of Matter Testlabz


Report CopyRight/DMCA Form For : 2 The Nature Of Matter Testlabz



Transcription

14 Which of the following has a fixed volume but not a fixed shape. a A book b A brick c Oxygen d Milk, 15 In which of the following are the intermolecular forces maximum. a Nitrogen b Ice c Water d Water vapour, 16 Which of the following statements is true. a According to Dalton atoms are divisible in nature. b Atoms do not take part in a chemical reaction, c The atoms of an element are different from those of other. d Atoms can be broken down into molecules, 17 The molecules of which of the following substances will contain the. same kind of atoms, a Oxygen b Water c Carbon dioxide d Sulphur dioxide.
18 The molecules of which of the following substances will contain. atoms of more than one kind, a Hydrogen b Nitrogen c Oxygen d Water. 19 Which of the following formulae represents a molecule of ozone. a O2 b O3 c H2O2 d H3PO4, 20 The intermolecular spaces are negligible in. a liquids b glycerine c solids d gases, 21 The intermolecular forces of attraction are almost negligible in. a water b wood c a gas d a solid, 22 Which one of these undergoes sublimation. a Milk b Cement c Naphthalene d Honey, 23 Which one of these can be compressed easily.
a Egg b Soda c Hydrogen d Milk, 24 The smallest unit of matter is. a an atom b a molecule c an element d a compound, 25 In a compound elements are always present in a. a fixed ratio b variable ratio c ratio of 1 2 d ratio of 2 1. 26 Sodium chloride common salt is, a an element b a compound c a mixture d a metalloid. 27 A mixture can contain, a two or more substances b only two substances. c only one substance d none of the above, 28 A pure substance has.
a the same physical state b the same colour, c the same composition d different set of properties. Class VI Chemistry 2 Question Bank, 29 Sugar is a compound which contains the elements. a carbon and hydrogen b hydrogen and oxygen, c carbon hydrogen and oxygen d carbon hydrogen and sulphur. 30 Atoms of different kinds combine to form molecules of. a an element b a compound c a mixture d all the above. 31 Sulphur and carbon are, a metals b non metals c metalloids d noble gases. 32 Most of the substances known to us are in the form of. a compounds b elements c mixtures d metalloids, Ans 1 d 2 c 3 c 4 a 5 a 6 a 7 c 8 c 9 c 10 b.
11 d 12 d 13 d 14 d 15 b 16 c 17 a 18 d 19 b, 20 c 21 c 22 c 23 c 24 a 25 a 26 b 27 a 28 c. 29 c 30 b 31 b 32 c, II a Fill in the blank spaces by choosing the correct words from the. following list, List beaten atom molecule independent definite wires metals inert. gases 82 non metals space minimum liquid volume, 1 There are normal elements. 2 Elements can be classified as and, 3 Metals can be into sheets and drawn into.
4 An is the smallest unit of matter which may or may not. have an existence, 5 A pure substance whose contain two or more atoms. combined together in a ratio is called a compound, 6 The intermolecular spaces in case of solids are. 7 Any material which has a definite but no definite shape. is called a, 8 Gases can fill the entire, Ans 1 82 2 non metals metals and inert gases 3 beaten wires 4 atom. independent 5 molecules definite 6 minimum 7 volume liquid. b 1 A gas is compressible incompressible, 2 are fluids gases solids. 3 On being a solid changes into a liquid heated cooled. 4 On being a gas changes into a liquid heated cooled. 5 A gas condenses as the intermolecular space increases. Class VI Chemistry 3 Question Bank, 6 The properties of a compound are those of its.
constituent elements different from similar to, 7 Atoms of an element all the properties of the element. show do not show, Ans 1 compressible 2 Gases 3 heated 4 cooled 5 decreases 6 different. from 7 show, III Fill in the blanks, 1 The state of matter can be changed by changing its and. 2 When a liquid is cooled it to form a solid, 3 When a gas is cooled its molecules energy. 4 Water to form vapour, 5 and can flow, 6 Matter is anything that has and occupies.
7 Same kind of atoms combine to form, 8 and are pure substances. 9 The constituents of mixture may be present in ratio. 10 Compounds are made up of elements combined in a. 11 can flow, 12 The molecules are at a greater distance in compared to. 13 Water boils at C, 14 The physical state of a substance which has a fixed volume but no. fixed shape is a, 15 refers to the number of atoms in the molecule of an. 16 The most abundant element in the earth s crust is. 17 The most abundant element in the atmosphere is, 18 A non metal which is a liquid is.
19 A metal which is a good conductor of heat and electricity is. 20 A diatomic gaseous element is, Ans 1 temperature pressure 2 freezes 3 lose 4 evaporates 5 Liquids. gases 6 mass space 7 molecule 8 Sugar salt 9 varying 10 fixed 11. Fluids 12 gases 13 100 14 liquid 15 Atomicity 16 oxygen 17. nitrogen 18 bromine 19 copper 20 nitrogen oxygen hydrogen. Class VI Chemistry 4 Question Bank, IV Statements given below are incorrect Write correct statements. 1 Smallest unit of matter which may or may not have an independent. existence is called a molecule, Ans Smallest unit of matter which may or may not have an independent. existence is called an atom, 2 Noble gases can react with each other. Ans Noble gases do not react either with each other or any other elements. 3 A molecule of a compound contains atoms of different elements. combined together in different ratios, Ans A molecule of a compound contains atoms of different elements.
combined together in a definite ratio, 4 Non metals are generally solids and good conductors of electricity. Ans Non metals may be solids liquids or gases and are generally bad. conductors of heat and electricity, 5 Elements can be divided into three classes i e metals non metals. Ans Elements can be divided into three classes, i Metals ii Non metals iii Noble gases. 6 A gas can have any number of free surfaces, Ans Gases have no free surfaces. 7 The intermolecular forces are very small in case of solids Solids can. flow and liquids can be heaped, Ans Maximum intermolecular forces are present in case of solids Liquids.
can flow and solids can be heaped, V State whether the following statements are true or false. 1 A gas can have any number of free surfaces, 2 The intermolecular forces in solids are very large. 3 Liquids can flow but solids can be heaped, 4 The weakest intermolecular forces are in the case of gases. 5 Liquids are fairly compressible, 6 All normal elements give out radioactive radiations. 7 Two or more atoms of different elements combine in a definite ratio. to form a compound, 8 Noble gases can react with each other.
9 H2 represents one molecule of hydrogen, 10 2N2 represents two molecules of nitrogen. 11 Air is not matter, 12 A liquid expands more than a solid on being heated. Class VI Chemistry 5 Question Bank, 13 Gases freely mix with one another. 14 Solids can be compressed easily, 15 Naphthalene sublimes on heating. 16 The molecules in a solid are loosely packed, 17 The intermolecular spaces in gases are negligible.
18 The same substance can exist in different states at different. temperatures and pressures, 19 A change of state from liquid to gas is called condensation. 20 Elements and compounds are mixtures, 21 Elements combine in any ratio to form compounds. 22 Elements present in carbon dioxide gas are carbon and oxygen. 23 The constituents of a mixture are separated chemically. 24 There is no difference between evaporation and boiling. 25 All solids on heating first change to the liquid and then to the gaseous. 26 Only water can exist in three different states, 27 If the container in which a gas is collected has an opening the gas will. flow out and spread itself indefinitely, 28 A compound is made up of just one kind of atoms. 29 Metals reflect light and are good conductors of electricity. 30 Metals can be polished, 31 Elements are made up of compounds.
32 All elements are artificially prepared, 33 Molecules can exist independently. 34 Molecules combine to form atoms, Ans 1 F 2 T 3 T 4 T 5 T 6 F 7 T 8 F 9 T 10 T 11 F 12 T 13 T. 14 F 15 T 16 F 17 F 18 T 19 F 20 F 21 F 22 T 23 F 24 F. 25 F 26 F 27 T 28 F 29 T 30 T 31 F 32 F 33 T 34 F, VI Find the odd one out Give a reason for your answer. 1 Magnesium mercury manganese and silver, Ans Mercury Magnesium manganese and silver are solids at room. temperature and mercury is in the liquid state, 2 Hydrogen oxygen nitrogen and helium.
Ans Helium Helium is a noble gas while hydrogen oxygen and nitrogen. are not noble gases, Class VI Chemistry 6 Question Bank. 3 Cu Fe He and H2, Ans Helium Helium is an inert gas while copper iron and hydrogen are. reactive elements, 4 Sulphur phosphorus graphite and silicon. Ans Graphite Graphite is a form of carbon which is a good conductor of. electricity while sulphur phosphorus and silicon are elements which. are bad conductors of electricity, 5 Solid vacuum liquid and gas. Ans Vacuum Solid liquid and gas are the three states of matter while. vacuum is a space with no substances, 6 Solid vapour liquid gas.
Ans Vapour Solid liquid and gas are the three states of matter while. vapour is the gaseous form of a substance which exists as a liquid at. room temperature, 7 Air smoke mercury hydrogen nitrogen. Ans Mercury Mercury is liquid metal at room temperature while air. smoke hydrogen and nitrogen are gases or substances in the gaseous. 8 Oxygen honey nitrogen iron water, Ans Iron Oxygen honey nitrogen water are fluids while iron is in the. solid form, 9 Condensation evaporation sublimation solidification. Ans Sublimation Sublimation is the process of changing of a solid. directly into gaseous state without undergoing the intermediate liquid. state on heating and vice versa While condensation is the process of. changing of a gas into liquid state evaporation is the process of. changing of a liquid into gaseous state and solidification is the. process of changing of a liquid into solid state, 10 Water wood air sound. Ans Sound Water wood and air the forms of matter while sound is a form. 11 Gold silver sulphur copper iron, Ans Sulphur Gold silver copper and iron are metals while sulphur is a.
12 Boron silicon arsenic antimony iron, Ans Iron Boron silicon arsenic and antimony are non metals while iron. is a metal, Class VI Chemistry 7 Question Bank, VII Match the statements in Column A with those in Column B. a Column A Column B, 1 Smallest unit of matter which may or a Nitric acid. may not have an independent existence, 2 Elements which are generally good b Atom. conductors of electricity, 3 Elements which are chemically inactive c Metals.
4 Elements which are generally bad d Noble gases, conductors of electricity. 5 An acid of nitrogen e Non metals, 6 Smallest unit of a substance which can f Graphite. exist independently, 7 A liquid metal at room temperature g Oxygen. 8 A non metal which conducts heat and h Molecule, electricity. 9 A molecule containing similar atoms i Helium, 10 A noble gas used for filling weather j Mercury.
observation balloons, Ans 1 b 2 c 3 d 4 e 5 a 6 h 7 j 8 f 9 g 10 i. b Column A Column B, 1 Melting a change from vapour to liquid. 2 Evaporation b change from liquid to solid, 3 Condensation c change from solid to liquid. 4 Sublimation d change from solid to gas, 5 Solidification e change from liquid to gas. Ans 1 c 2 e 3 a 4 d 5 b, c Column A Column B, 1 Solids a Can flow in all directions.
2 Sublimation b The temperature at which a liquid, changes to its gaseous state. 3 Boiling point c Any number of free surfaces, 4 Gases d Gaps between particles. 5 Intermolecular space e Change of state from solid to gas. Ans 1 c 2 e 3 b 4 a 5 d, Class VI Chemistry 8 Question Bank. d Column A Column B, 1 Metals a Unreative, 2 Molecules b Brittle. 3 Non metals c Lustrous, 4 Noble gases d Smallest unit of a compound.
Ans 1 c 2 d 3 b 4 a, VIII Complete the following table. Formula of compounds Elements present in the compound. CO2 Carbon and Oxygen, Ans CO2 Carbon and oxygen CaO Calcium and oxygen. PbO Lead and oxygen PbS Lead and sulphur, CuS Copper and sulphur FeS Iron and sulphur. IX Give reasons for the following, 1 We need to classify matter. Ans We have a variety of things around us and to study all these. individually it is an impossible task To simplify the process we need. to classify or group them together Thus classification makes the. study of matter easy systematic and more scientific. 2 Electricity is not considered as matter, Ans Electricity is not considered as matter because it neither has mass nor.
occupies space, 3 Milk is a mixture, Ans Milk is an impure substance formed by the physical combination of. lactose sugar fat and water So it is a mixture, 4 Mixtures do not have fixed melting or boiling points. Ans Mixtures do not have fixed melting and boiling points because their. constituents can be mixed in varying ratios, 5 Constituents of a mixture can be easily separated by physical. Class VI Chemistry 9 Question Bank, Ans Constituents of a mixture can be easily separated by physical methods. because they are not combined chemically, X Answer the following questions.
1 i Define solid, ii On the basis of molecular theory explain why solids have. Class VI Chemistry Question Bank1 2 THE NATURE OF MATTER I Tick 3 the most appropriate answer 1 Gases have a infinite free surfaces b two free surfaces c one free surface d no free surfaces

Related Books

BIBLIOTECA DIVULGA O BIBLIOGR FICA

BIBLIOTECA DIVULGA O BIBLIOGR FICA

PYZDEK Thomas KELLER Paul The handbook for quality management a complete guide to operational excellence 2nd ed New York McGraw Hill 2013

drn ntrl t CERN

drn ntrl t CERN

drn ntrl t WE EIIO hrd C rf Unvrt f Clfrn v brt hp Mrtt Unvrt EASO tn Clb Indnpl Yr Sn rn Uppr Sddl vr Atrd Cp n b ndn Mdrd Mln Mnh r Mntrl rnt lh Mx Ct S l Sdn n Kn Sl Snpr p ntnt Prf bt th thr 22 CAE ntrdtn t ntrl t 2 Intrdtn 24 2 rf tr f Att Cntrl 2 Expl f Cntrl St 2 4 Ennrn n Cntrl St n 40 6 Mhtrn St 4 Grn Ennrn 4 8 h tr Evltn f Cntrl St 4 n Expl 0 0 Sntl n Expl rv d St 4 Sr

Modern Control Systems 12th Edition An Najah Staff

Modern Control Systems 12th Edition An Najah Staff

ed by a gear motor a displacement measuring sensor and a piston Spring force is generated by piston dis placement which compresses the fluid During piston displacement the pressure unbalance across the piston is used to control damping The plunger varies the in ternal volume of the cylinder This feedback system is shown in Figure E2

Body and Equipment Mounting Manual Ford Australia

Body and Equipment Mounting Manual Ford Australia

Body and Equipment Mounting Manual FORD RANGER 2012 Date of Publication 12 2014 The information contained in this public ation was correct at the time of g oing to print In the int erest of development the right is r eserved to chang e specifications design or equipment at any time without notice and without incurring any obligations This publication or part thereof may not be

SYSTEM WIRING DIAGRAMS Heater Circuit 2002 Ford Focus For x

SYSTEM WIRING DIAGRAMS Heater Circuit 2002 Ford Focus For x

SYSTEM WIRING DIAGRAMS Instrument Cluster Circuit W Auxiliary Instrument Cluster 2 of 2 Title Figure Print Author Michael Created Date 7 27 2004 2 23 06 PM

Inventarios de Beck para ni os y adolescentes 2

Inventarios de Beck para ni os y adolescentes 2

de depresi n de acuerdo con los criterios incluidos en los manuales diagn sticos El inventario de ansiedad de Beck para ni os y adolescentes BAI Y eval a los miedos y preocupaciones del ni o o del adolescente p ej sobre la escuela hacerse da o salud as como s ntomas f sicos asociados a la ansiedad El inventario de ira de Beck para ni os y adolescentes BANI Y

miedos ansiedad y fobias shtml MIEDOS ANSIEDAD Y FOBIAS

miedos ansiedad y fobias shtml MIEDOS ANSIEDAD Y FOBIAS

Se mantienen los miedos de la etapa anterior pero van increment ndose los est mulos que potencialmente pueden ser capaces de generar miedo como ruidos fuertes o extra os en ocasiones producto de su imaginaci n truenos y rel mpagos a la gente mala a los cambios en el entorno a las m scaras a las 3 alturas a las cat strofes y a los seres imaginarios monstruos y fantasmas a

MIEDOS INFANTILES Y ESTILO DE EDUCACI N DIFERENCIAS Y

MIEDOS INFANTILES Y ESTILO DE EDUCACI N DIFERENCIAS Y

MIEDOS INFANTILES Y ESTILO DE EDUCACI N DIFERENCIAS Y SIMILITUDES ENTRE ESPA A Y COSTA RICA Presentada por Sally Gonz lez Guti rrez Dirigida por Vicente E Caballo Granada 18 de mayo de 2005 Editor Editorial de la Universidad de Granada Autor Sally Mar a Gonz l q lt H h5 i X j t s R l G x In Memorium A Leslie Antonio Cuando morimos nos

Frecuencia e Intensidad de los Miedos en los Ni os Datos

Frecuencia e Intensidad de los Miedos en los Ni os Datos

Los patrones de miedos declarados por los ni os espa oles resulta ron ser bastante semejantes a los obtenidos repetidamente con muestras de ni os de Estados Unidos Australia y Gran Breta a y no muy diferentes de los indicados para muestras de ni os chinos Las ni as informaron significativamente mayores niveles de temor tanto en frecuencia como en intensidad que los ni os y ambos

Caracter sticas psicom tricas del inventario de Miedos de

Caracter sticas psicom tricas del inventario de Miedos de

de Miedos de ollendick Claudia guti rrez1 Natalia Bustos Liliana Fl rez Jos Parra Diana Rodr guez y Juanita Rojas2 Universidad El Bosque Resumen El presente estudio tiene como objetivo presentar las caracter sticas psicom tricas del Escala de miedos para ni os revisado por ollendick FssC R uno de los instrumentos m s utilizados para medir los miedos en los ni os Dicho

Estudio de traducci n adaptaci n y evaluaci n

Estudio de traducci n adaptaci n y evaluaci n

Estudio de traducci n adaptaci n y evaluaci n psicom trica del Inventario de Miedos FSSC II Vol 35 No 3 mayo junio 2012 195 Art culo original Salud Mental 2012 35 195 203 SUMMARY Normal fear is defined as a reaction to a real or imagined threat and is considered an integral and adaptive feature related to the primary function of survival Nevertheless when fear is intense and