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Question
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
Options
burning of candle
melting of ice
cooking of food
blowing of bulb
Solution
burning of candle
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RELATED QUESTIONS
Classify the following as chemical or physical change:
Melting of butter in a pan
Classify the following as chemical or physical change:
Dissolving common salt in water.
Tick the most appropriate answer.
3. Physical changes are
- permanent.
- periodic,
- temporary
- irreversible.
Write true or false
Burning of sugar is a temporary change.
Write true or false
Burning of paper and formation of curd are reversible changes.
What is a physical change ? Give two examples of physical changes.
What is a chemical change ? Give two examples of chemical changes.
Wood to sawdust:______:: Wood to Ash: Chemical change
Water is the universal solvent. Why?
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think rust is different from iron?
