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Question Detail
Which one of the following metals does not react with water to produce Hydrogen?
- Cadmium
- Lithium
- Potassium
- Sodium
Answer: Option A
1. Natural rubber is a polymer derived from ?
- ethylene
- propylene
- isoprene
- butadiene
Answer: Option C
2. The acid generally stored in batteries is
- Nitric Acid
- Hydrochloric Acid
- Sulphuric Acid
- Acetic Acid
Answer: Option C
3. Which acid is present in lemon ?
- marlic acid
- citric acid
- lactic acid
- tartaric acid
Answer: Option B
Explanation:
citric acid is present in lemon.
4. All noble gases are ?
- colourless
- colourless
- colourless and odourless
- colourless and but have odour
Answer: Option C
5. What is extracted from Bauxite ?
- Mica
- Aluminium
- Copper
- Tin
Answer: Option B
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