Chemistry
For laboratory preparation of hydrogen, give the following
(a) materials used
(b) method of collection
(c) chemical equation
(d) fully labelled diagram.
Related Questions
Elements which show unique nature in the preparation of hydrogen are
- Na, K, Li
- Mg, Ca, Ba
- Al, Zn, Pb
- Fe, Cu, Ag
Hydrogen can be prepared with the metal zinc by using
(i) acid
(ii) alkali
(iii) water
Give an equation in each case.
(a) Name the impurities present in hydrogen prepared in the laboratory.
(b) How can these impurities be removed?
Which test should be made before collecting hydrogen in a gas jar?