Chemistry
The composition of the nucleus of deuterium is:
- 1e– and 1P
- 1P and 1n
- 1n and 1e
- 2P and 1e–
Related Questions
Hydrogen is evolved by the action of cold dil. HNO3 on
- Fe
- Cu
- Mg
- Zn
Elements which show unique nature in the preparation of hydrogen are
- Na, K, Li
- Mg, Ca, Ba
- Al, Zn, Pb
- Fe, Cu, Ag
Give the reason for the following
(a) Zinc granules are used in the lab preparation of hydrogen.
(b) Purified and dried hydrogen is collected over mercury.
(c) The end of the thistle funnel should be dipped under acid.
(d) Dilute sulphuric acid cannot be replaced by concentrated acid in the preparation of hydrogen.
Which metal produces hydrogen gas on reaction with cold water?
- Al
- Fe
- Pd
- Na