Gk Questions with AnswersChemistry
DIRECTIONS : Questions based on Chemistry.
| 91. | Which among the following gases is used to manufacture chloroform? | ||
|---|---|---|---|
| A. Methane | |||
| B. Propane | |||
| C. Ether | |||
| D. Radon | |||
| 92. | Which metal was first used by man? | ||
|---|---|---|---|
| A. Aluminium | |||
| B. Gold | |||
| C. Iron | |||
| D. Brass | |||
| 93. | Deep blue colour is imported to glass by the presence of | ||
|---|---|---|---|
| A. Cupric oxide | |||
| B. Ferrous oxide | |||
| C. Cobalt oxide | |||
| D. Nickel oxide | |||
| 94. | What is the most common soil in sea water? | ||
|---|---|---|---|
| A. Sodium chloride | |||
| B. Calcium carbonate | |||
| C. Potassium chloride | |||
| D. Magnesium sulphate | |||
| 95. | Select the one which is not a mixture? | ||
|---|---|---|---|
| A. Air | |||
| B. Gasoline | |||
| C. LPG | |||
| D. Distilled water | |||