Gk Questions with AnswersGeneral Science Gk Questions
DIRECTIONS : Objective Question on General Science.
| 56. | Which one of the following is used for dating archaeological specimens in words, bones and shells? | ||
|---|---|---|---|
| A. Uranium 238 | |||
| B. Argon isotope | |||
| C. Carbon 14 | |||
| D. Strontium 90 | |||
| 57. | What is condensation? | ||
|---|---|---|---|
| A. Change of gas into solid | |||
| B. Change of solid into liquid | |||
| C. Change of heat energy into cooling energy | |||
| D. Change of vapour into liquid | |||
| 58. | Which of the following are the ingredients of gun metal? | ||
|---|---|---|---|
| A. Iron, tin | |||
| B. Copper, tin | |||
| C. Iron, brass, tin | |||
| D. Iron, zinc, titanium | |||
| 59. | The inert gas which is substituted for nitrogen in the air, used by deep sea drivers for breathing, is | ||
|---|---|---|---|
| A. Argon | |||
| B. Xenon | |||
| C. Helium | |||
| D. Krypton | |||
| 60. | Actinides are the elements with atomic numbers from | ||
|---|---|---|---|
| A. 36 to 43 | |||
| B. 89 to 103 | |||
| C. 97 to 114 | |||
| D. 101 to 115 | |||