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प्रश्न
Classify the following into elements, compounds and mixtures :
arble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk
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उत्तर
Elements: Gold and Diamond
Compounds: Common salt and marble
Mixtures: Brass and seawater.
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संबंधित प्रश्न
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| Solubility | : | 24 g | 37 g | 41 g | 55 g | 66 g |
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(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
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| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
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