Gk Questions with AnswersGeneral Science Gk Questions
DIRECTIONS : Objective Question on General Science.
| 46. | Amalgams are | ||
|---|---|---|---|
| A. Alloys which contain mercury as one of the contents | |||
| B. Alloys which contain carbon | |||
| C. Alloys which have great resistance to abrasion | |||
| D. Highly coloured alloys | |||
| 47. | Bell metal is an alloy of | ||
|---|---|---|---|
| A. Tin and copper | |||
| B. Nickel and copper | |||
| C. Zinc and copper | |||
| D. Brass and nickel | |||
| 48. | Which of the following was to be discovered first in the chromosphere of the sun? | ||
|---|---|---|---|
| A. Neon | |||
| B. Helium | |||
| C. Argon | |||
| D. Krypton | |||
| 49. | What are soaps? | ||
|---|---|---|---|
| A. Esters of heavy fatty acids | |||
| B. Mixture of glycerol and alcohols | |||
| C. Sodium or potassium salts of heavier fatty acids | |||
| D. Salts of silicates | |||
| 50. | Poison glands of snakes are homologous to | ||
|---|---|---|---|
| A. Sebaceous glands of mammals | |||
| B. Salivary glands of vertebrates | |||
| C. Electric organs of fishes | |||
| D. Stings of rays | |||