1) ____________________ is the quantity of matter. a) Weight b) Mass c) Both mass and weight d) None of the above 2) ____________ is the smallest possible unit of matter that exhibits all the properties of that matter a) Atom b) Molecule c) Solid d) Liquid e) Gas 3) When a spoon is immersed in a glass of water, the level of water rises. What does this signify? a) Matter occupies space b) Particles of matter has intermolecular space c) Strong intermolecular force d) None of the above 4) When sugar dissolves in water, which property of matter is evident here? a) Presence of intermolecular force b) Presence of intermolecular spaces c) particles are at random motion d) All of the above 5) When few drops of blue ink is dropped in a cup of water, the solution turns blue . Which property of matter is seen here? a) Presence of intermolecular spaces b) Presence of intermolecular force c) particles are at random motion d) Diffusion 6) Movement of particles ______________________with increase in temperature a) Increases b) Decreases c) Remains same d) None of the above 7) Spherical shape of water drops sows the __________________________ property of matter a) Intermolecular force of attraction b) particles are at random motion c) Presence of intermolecular spaces 8) Only liquids are considered as fluids a) True b) False 9) Inter conversion of state involves a change in chemical composition a) True b) False 10) Pressure does not cause change of state of matter a) False b) True 11) The net energy change is almost zero during inter conversion of state a) Yes b) No 12) Change of state is a chemical change a) True b) False 13) The net energy change for a physical change is is non zero a) True b) False 14) Change of state changes the chemical composition of the substance a) False b) True 15) The process by which ______________ changes directly to ____________ on heating is called sublimation. a) gas, solid b) liquid , solid c) gas, liquid d) Solid , gas 16) Matter can be changed from one state to another on changing ___________ and _____________ a) Colour, shape b) Pressure, temperature c) Both (a) and (b) 17) The process by which gas changes directly to solid is called _____________ a) Sublimation b) Evaporation c) Condensation d) Deposition 18) When the regulator valve of LPG is opened, pressure is _____________ from the cooking Gas a) Released b) Absorbed c) Bothe released and absorbed d) None of the above 19) When a sheet of paper is torn, then which of the following statement is correct? a) Its chemical properties changes b) Its chemical properties does not change c) Its colour changes 20) Name the gases that are soluble in water a) Oxygen and carbondioxide b) Nitrogen c) Hydrogen 21) Name the gases that are insoluble in water a) Oxygen b) carbondioxide c) Nitrogen and hydrogen 22) If an object weighs 10 N on earth. Its weight on moon is a) 3.33 N b) 1.66 N c) 2 N d) 5.5 N

MATTER AND ITS COMPOSITION

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