……..is too salty to be used directly. (Sea water/Rain water).

Why is it easier to swim in sea water than in fresh water?

Common salt is obtained from sea water by

Salt is separated from sea water by

Why sulphur trioxide formed in this process is not absorbed directly in water?

Magnesium is a valuable, light weight metal used as a structural material as well as in alloys, batteries, and in chemical synthesis. Although magnesium is plentiful in Earth's crust, it is mainly found in the sea water (after sodium). There is about 1.3 g of magnesium in every kilogram of sea water. The process for obtaining magnesium from sea water employs all three types of reactions, i.e., precipitation, acid-base, and redox-reactions. Precipitation reaction involves formation of :

Which of the following are likely to be present in deep sea water?

Which of the following are likely to be present in deep sea water?

Give reasons why? For the preparation of hydrochloric acid, hydrogen is not directly absorbed in water.

What is the nature of normal rain water ?

Why does distilled water not conduct electricity, whereas rain water does?