| 46. | Example of atom having single isotope is |
| a. | carbon |
| b. | calcium |
| c. | gold |
| d. | cadmium |
| View Answer Report Discuss 50-50! |
|
Answer: (c).gold
|
| 47. | Products which are obtained in a chemical reaction is |
| a. | production |
| b. | No yield |
| c. | theoretical yield |
| d. | actual yield |
| View Answer Report Discuss 50-50! |
|
Answer: (d).actual yield
|
| 48. | Isotopes of calcium are |
| a. | seven |
| b. | six |
| c. | nine |
| d. | twelve |
| View Answer Report Discuss 50-50! |
|
Answer: (b).six
|
| 49. | Isotopes differ in number of |
| a. | electrons |
| b. | protons |
| c. | neutrons |
| d. | anti neutrino |
| View Answer Report Discuss 50-50! |
|
Answer: (c).neutrons
|
| 50. | In ionization chamber vapors are bombarded with fast moving |
| a. | protons |
| b. | electrons |
| c. | neutrons |
| d. | antineutron |
| View Answer Report Discuss 50-50! |
|
Answer: (b).electrons
|