Sr. # | Questions | Answers Choice |
---|---|---|
1 | How many atoms are present in one molecule of helium. | 1 2 3 4 |
2 | How many hydrgen atos are present in 1 molecule of ammonia. | 1 2 3 4 |
3 | Choose an atom which can-exist idenpendently at room temperature. | Na O Ne Cu |
4 | Which one of the following is a metalloid element. | Gold Boron Silver Nitrogen |
5 | Which one of the following is a non metallic element. | Oxygen Aluminium Iron Beryllium |
6 | Which one of the following is metallic element. | Hydrogen Helium Lithium Carbon |