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WorksheetsPhysical and Chemical change
Total questions: 12
Worksheet time: 6mins
During a physical change .............................. substance is formed
a new
no new
a big
a small
If a new substance is formed, the change is called ........................... change
physical
chemical
neutral
mechanical
When copper sulphate solution reacts with iron, the new substance formed is ...................................
sulphur
sulphur dioxide
copper oxide
iron sulphate
Temporary and reversible changes are generally ........................................ changes
physical
irreversible
chemical
mechanical
Which of the following is not a chemical change ?
Formation of curd
Spoilage of food
Melting of Wax
Digestion of food
Dissolving sugar in water is a/an ....................................
irreversible change
chemical change
reversible change
permanent change
What change is this?
Chemical Change
Physical Change
Which Change is this ?
Chemical Change
Physical Change
Carbon dioxide turns lime water into
Pink
Yellow
Milky
Red
In Galvanisation, iron objects are coated with
Aluminium metal
Zinc Metal
Copper Metal
Silver metal
We can separate salt from salt solution by
Evaporation
Condensation
Sedimentation
Decantation
Permanent and Irreversible are Generally ............................. change
Physical change
Chemical change
Mechanical change
Electrical change
