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प्रश्न
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
उत्तर
Physical Change.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
Write short answer.
Name two reversible changes.
State whether the following is physical or chemical changes.
mixing oil with water —
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
True or false
Is the process of digestion a physical change?
Make a list of different types of changes with example.
Photosynthesis is a natural process by which green plants manufacture food in the presence of sunlight.
State the conclusions which can be drawn, to represent photosynthesis as a physical or a chemical change.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
______ is the Universal Solvent.
Match the items of Column I with the items of Column II
| Column 1 | Column II | ||
| (a) | Large crystals | (i) | Turns lime water into milky |
| (b) | Depositing a layer of zinc on iron | (ii) | Physical change |
| (c) | Souring of milk | (iii) | Rust |
| (d) | Carbon dioxide | (iv) | Sugar candy (Mishri) |
| (e) | Iron oxide | (v) | Chemical change |
| (f) | Dissolving common salt in water | (vi) | Galvanisation |
