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प्रश्न
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
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उत्तर
Copper carbonate (CuCO3)
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संबंधित प्रश्न
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
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(b) Write down word equations of all the reactions taking place in this process.
Brass is an alloy of copper and ______.
Mention two uses of the following metals and non-metals
Oxygen
Give reasons
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A metal with melting point less than 50°C is
A metal which is neither ductile nor malleable is
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Write name.
Alloy of sodium with mercury.
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- Sodium and potassium are stored in kerosene.
- Mercury is used in thermometers.
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| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
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X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
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