The metal that is usually extracted from sea water is
...The metal that is usually extracted from sea water is
Ca
Na
K
Mg
Correct answer is D
No explanation has been provided for this answer.
The monomer of polythene is ...
An oxide has the following properties. It I. is a white powder II. reacts with HCI. III. reac...
The d-block elements are paramagnetic because they ...
Chlorine displaces bromine from aqueous potassium bromide because ...
A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0.30 mole of He exerts a total pressure of 2....
Addition of sodium chloride to water to form a solution would lead to? ...
In the laboratory preparation of ammonia, the flask is placed in a slanting position so as to ...