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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:
Boiling of water to form steam.
Write true or false for the statement
A natural change can also be a desirable change
State the various conditions that favour the process of evaporation.
State three differences between evaporation and boiling
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Write true or false
Burning of sugar is a temporary change.
True or false
Change of seasons is a non-periodic change.
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Mention a few physical properties of a substance.
