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WorksheetsGrade 7 Chemistry Chapter 2.2
Total questions: 15
Worksheet time: 52mins
The changes in which no new substances are formed are called
Physical changes
Chemical changes
The properties such a state size shape and colour of a substance are called _______ properties
Chemical
Physical
The physical changes are
Temporary changes
Permanent changes
The examples of physical changes
Cutting of paper
Breaking of a glass tumbler
Burning of fuels
Making soda water by dissolving carbon dioxide
Though Ice and water look difference, they are both made of (a) molecules
What changes did the water undergo?
Which of the following is a example of physical change ?
burning of wood
photosynthesis
melting of ice-cream
ripening of fruit
Observe the picture and choose the correct option.
Irreversible physical change
Reversible physical change
Which one is not the characteristics of a physical change ?
They are changes in the physical properties of substance.
They are often irreversible
Rearrangement of molecules take place
No new substances are formed
When sugar dissolves in water a ______________ change occurs.
Physical change
Chemical Change
