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प्रश्न
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 |
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उत्तर
| Column 1 | Column II | ||
| (a) | Large crystals | (iv) | Sugar candy (Mishri) |
| (b) | Depositing a layer of zinc on iron | (vi) | Galvanisation |
| (c) | Souring of milk | (v) | Chemical change |
| (d) | Carbon dioxide | (i) | Turns lime water into milky |
| (e) | Iron oxide | (iii) | Rust |
| (f) | Dissolving common salt in water | (ii) | Physical change |
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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
Try segregating the things around you as pure substances or mixtures.
Which of the following are physical changes and which are chemical changes ?
Rusting of iron
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 rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Which of the following is a physical change?
Grinding of wheat grain changes its size. It is a ____________ change.
Iron pipes coated with zinc do not get rusted easily.
