- Mon, 10 Aug 20 PM
Distilled water is almost pure water. clean water is that which is ideal for home or domestic use i.e. safe for drinking, cooking and other home uses.
- Tue, 18 Aug 20 AM
Natural drinking water is water that is safe and fit for human consumption without undergoing any form of treatment which will alter its original chemical compo
- Wed, 19 Aug 20 PM
The gaseous composition of the atmosphere consists of two categories of gases i.e. constant or permanent gases and variable gases. These gases are nitrogen, oxy