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Question Detail
pH of blood is ?
- 10.4
- 9
- 7.4
- 4
Answer: Option C
1. Bleaching action of chlorine is by
- decomposition
- hydrolysis
- reduction
- oxidation
Answer: Option A
2. Water drops are spherical because of ?
- viscosity
- density
- polarity
- surface tension
Answer: Option D
3. Which have maximum number of isotopes ?
- Bromine
- Aluminium
- Polonium
- Carbon
Answer: Option C
4. The metal that is used as a catalyst in the hydrogenation of oils is ?
- Pb
- Ni
- Cu
- Pt
Answer: Option B
5. What is metallurgy ?
- process of extracting metal in pure form from its ore.
- process of creating alloys of metals.
- process of making metals live long.
- None of above.
Answer: Option A
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