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प्रश्न
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
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उत्तर
| Compounds | Elements |
| H2O, CO | He, Co, Cl2 |
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संबंधित प्रश्न
Match the following
| Column A | Column B | ||
| (a) | Molecules | (i) | Water boils |
| (b) | 100° C | (ii) | Evaporation |
| (c) | 0° C | (iii) | Changes from solid to gas |
| (d) | At all temperatures | (iv) | Matter |
| (e) | Camphor | (v) | Water freezes |
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Fill in the blank :
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