Objective General Knowledge

Q. The commercial name for calcium hydride
1 lime
2 hydrolyth
3 slaked lime
4 calgon
Ans: 2

Q. The combustible material on the tip of a safety match stick
1 Antimony sulphide
2 Phosphorous
3 Manganese dioxide
4 Sulphur
Ans: 1

Q. The color of violet glass is due to the presence of
1 manganese
2 chromium
3 cobalt
4 nickel
Ans: 1

Q. The chief constituent of gobar gas (Bio Gas) is
1 methane
2 ethane
3 propane
4 chloride
Ans: 1

Q. The chemical name of vitamin c is
1 citric acid
2 ascorbic acid
3 oxalic acid
4 nitric acid
Ans: 2

Q. The chemical name of table salt is
1 potassium chloride
2 sodium chloride
3 calcium chloride
4 sodium hyposulphate
Ans: 2

Q. The chemical name of quartz is
1 calcium oxide
2 calcium phosphate
3 sodium phosphate
4 sodium silicate
Ans: 4

Q. The chemical name of laughing gas is
1 nitrous oxide
2 nitric oxide
3 nitrogen oxide
4 nitrogen peroxide
Ans: 1

Q. The atomic weight of uranium is
1 237
2 238
3 226
4 242
Ans: 2

Q. The ammonium ion is
1 Square planar
2 Tetrahedral
3 Square pyramidal
4 Trigonal pyramidal
Ans: 2