Advertisements
Advertisements
प्रश्न
Select the chemical changes from the following list of changes
Breaking of glass
Advertisements
उत्तर
Breaking of glass is a PHYSICAL change as no change in composition takes place, no new substance is formed.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
Write true or false for the statement.
Deforestation is a man-made change
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Give two examples of periodic changes.
Classify the following as physical or chemical change :
Formation of curd from milk
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Given reason:
Cutting of a cloth piece is a physical change, though it cannot be reversed.
What will you take into account while identifying the following?
A chemical change in a substance.
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.
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.
