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प्रश्न
Digestion of food is a physical change.
पर्याय
True
False
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उत्तर
Digestion of food is a physical change- False.
Correct statement
Digestion of food is a chemical change.
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संबंधित प्रश्न
When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the chemical and physical changes take place.
A physical change is temporary. Explain.
True or false
Is melting of ice a reversible change?
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
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
What type of change is colouring of a paper?
A physical change is generally____________.
