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26.
In bell metal, ______________________ is added to copper.
- A.Zinc
- C.tin
- B.Copper
- D.mercury
- Answer
- Report
Answer : [C]
27.
Which one of the following compounds is used as a sedative?
- A.Potassium bromide
- C.Ethyl Alcohol
- B.Calcium chloride
- D.Phosphorus trichloride
- Answer
- Report
Answer : [A]
28.
Which one of the following solvents is used for dry-cleaning of clothes?
- A.Acetone
- C.Carbon tetrachloride
- B.Alcohol
- D.chloroform
- Answer
- Report
Answer : [B]
29.
Quick silver is another name for ________________________
- A.Silver
- C.Aluminium
- B.Mercury
- D.Copper
- Answer
- Report
Answer : [B]
30.
Most of the metals dissolve in mercury to give _____________________
- A.Mercuric oxide
- C.Mercurous Chloride
- B.Mercuric Chloride
- D.Amalgams
- Answer
- Report
Answer : [D]
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