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WorksheetsChanges in Matter: Physical and Chemical Changes
Total questions: 20
Worksheet time: 3600secs
What new substance do we get if we mix the vinegar with baking soda?
Oxygen
Carbon dioxide
Helium
Argon
Which of the following is irreversible change?
Melting of ice cubes
Formation of frost
Evaporation of water
Burning of paper
__________ change does not create a new substance.
Biological
Physical
Chemical
Technological
Which of the following is the new substance being formed when we burn the wood?
Water vapor
Carbon dioxide
Ash
All of the above
Which of the following is an example of a chemical change?
Tearing a paper
Cutting a wood
Breaking a glass
Baking a bread
Which of the following does not belong to the group?
Freezing
Evaporation
Burning
Condensation
_________ is the process when the gas turns directly into a solid.
Sublimation
Deposition
Condensation
Melting
(a) is the process when solid turns into liquid.
(a) is the process when liquid turns to solid.
Which of the following is an example of sublimation?
Ice cube turns into a liquid
Water turns into a steam
Dry ice turns into a gas or smoke
Water vapor turns into a frost
What process will you do to get back the salt from the salt solution?
Condensation
Evaporation
Freezing
Melting
Is burning a sugar an irreversible change?
Yes or No
(a)
Is burning a paper a reversible change?
Yes or No
(a)
What kind of change is rusting of iron?
Physical chnage
Chemical change
What do we call to that new substance when we mix a warm milk with a vinegar?
Curd
Oxygen
Gold
Ice cream
Which of the following is soluble to water?
Salt
Stone
Sugar
Both salt and sugar
Which of the following is a homogeneous mixture?
Pizza pie
Milk and cereals
Colorful sand
Sugar solution
Which of the following is insoluble to water?
Rocks
Pebbles
Iron
All of the above
Which of the following does not belong to the group?
Freezing of the ice cream
Boiling a water
Burning a paper
Cutting a wood
What process do we call when when we put a cold glass of water on the table, and for 5 minutes we see some droplets of water on the surface of that cold glass?
Freezing
Condensation
Deposition
Sublimation
