Advertisements
Advertisements
प्रश्न
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Advertisements
उत्तर
Physical property
APPEARS IN
संबंधित प्रश्न
State whether the following is physical or chemical changes.
water cycle in nature —
Tick the most appropriate answer.
Physical changes are
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
State the observations seen, when milk in a dish is kept aside for a few hours or more. Is the change which occurs – a physical change or a chemical change. Give reasons.
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
State which of the following terms connected with change of state of matter i.e.
(a) Melting
(b) Vaporisation
(c) Condensation
(d) Freezing
pertain to –
- Conversion of a liquid into a vapour or gas.
- Conversion of a liquid into a solid.
- Conversion of a solid into a liquid on heating.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Which of the following is a physical change?
State whether the following statement is true or false:
Stretching of rubber bands is not a physical change.
