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प्रश्न
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
उत्तर
Physical change
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
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.
Photosynthesis cannot take place at night.
Is burning a physical change or a chemical change? Why?
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
Classify the following changes as physical or chemical.
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 |
Give two examples for each of the following cases:
Physical changes are reversible.
Give an example of a physical change in which the color of the substance changes.
