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Question Detail
Acids taste
- Sour
- Sweet
- May be both
- None of both
Answer: Option A
1. The metal used to recover copper from a solution of copper sulphate is ?
- Na
- Ag
- Hg
- Fe
Answer: Option D
2. What is hottest part of the gas flame is called ?
- blue zone
- luminous zone
- dark zone
- non-luminous zone
Answer: Option D
3. Acids taste
- Sour
- Sweet
- May be both
- None of both
Answer: Option A
4. Which gas is used to manufacture vanaspati from vegetable oil is
- carbon dioxide
- nitrogen
- oxygen
- hydrogen
Answer: Option D
5. All noble gases are ?
- colourless
- colourless
- colourless and odourless
- colourless and but have odour
Answer: Option C
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