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प्रश्न
Classify the following as a physical or a chemical change.
Butter getting rancid
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उत्तर
Chemical change
APPEARS IN
संबंधित प्रश्न
Explain the following giving an example.
Pure substance
Classify the following changes as physical or chemical:-boiling
State whether the following is physical or chemical changes.
glowing of a bulb -
State whether the following is physical or chemical changes.
burning of sugar —
Write true or false
Cutting of paper into pieces is a chemical change.
Tick the most appropriate answer.
Photosynthesis requires
Classify the following as physical or chemical changes :
- Cooking of food
- Boiling of water
- Cutting of trees
- D0issolving salt in water
- Digestion of food
- Melting of ice
Give the reason why the following is considered as chemical changes.
A bright light is seen evolved when a strip of magnesium is heated.
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
When solute is dissolved in a solvent it forms a solution.
