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प्रश्न
State four differences between physical and chemical changes.
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उत्तर
| Physical change | Chemical change |
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संबंधित प्रश्न
Write true or false for the statement.
Deforestation is a man-made change
Write short answer.
Sublimation is classified as a physical change. Why ?
State whether the following is physical or chemical changes.
mixing oil with water —
State whether the following is physical or chemical change.
Digestion of food —
State the Differences Between a Physical Change and a Chemical Change.
Give three reasons why melting of wax, is considered a physical change while burning of a candle, a chemical change.
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Which of the following is a physical change?
Match the items of Column I with the items of Column II.
| Column I | 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 |
