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Down's cell is used to prepare
- Aluminium
- Hydrogen
- Sodium metal
- copper
- N/A
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Answer: C Explanation: -
Nelson's cell is used to prepare
- Sodium sulphate
- sodium carbonate
- sodium hydoxide
- sodium
- N/A
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Answer: C Explanation: -
Chile salt peter has the chemical formula
- NaCl
- KNO3
- LiNO3
- NaNO3
- N/A
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Answer: D Explanation: -
The ore CaSO4.2H2O has the general name
- Gypsum
- Calcite
- Dolomite
- Bauxite
- N/A
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Answer: A Explanation: -
Which element is deposited at the cathode during the electrolysis of brine
- Na
- H2
- OH
- Cl2
- N/A
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Answer: B Explanation: -
Which ion will have maximum value of heat of hydration?
- Na+
- Ba+
- Cs+
- Mg+
- N/A
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Answer: D Explanation: -
Which one of the sulphates is not soluble in water?
- Sodium sulphate
- potassium sulphate
- Barium sulphate
- Zinc sulphate
- N/A
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Answer: C Explanation: -
Which is not mineral of Al?
- Diaspora
- Corundum
- Bauxite
- Galena
- N/A
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Answer: D Explanation: -
Which metal is used in the thermite process because of its activity?
- Iron
- Copper
- Aluminium
- Zinc
- N/A
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Answer: C Explanation: -
Aluminium oxide is:
- Acidic oxide
- Basic oxide
- Neutral
- Amphoteric
- N/A
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Answer: D Explanation: