1.Why Is Distilled Water Used Instead of Tap Water in Chemical Laboratories?
In chemical laboratories, distilled Water is used to perform chemical reactions for the following reasons:
<ul>
<li>It is pure, and it is free from any other elements.</li>
<li>Distilled Water is non-reactive, which is why it does not affect the results of various chemical reactions.</li>
<li>Distilled Water is also free from microorganisms like viruses, bacteria, and protozoa.</li>
</ul>
<img src="https://cdn-cms.orchidsinternationalschool.com/media/answer/G5_6.jpg" alt="Distilled Water" width="316" height="328">
2.Name Some Contaminants Removed From the Sewage Water During the Industrial Water Treatment.
Some contaminants that are removed during the industrial water treatment process are as follows:
<ul>
<li>Toxic pesticides and herbicides.</li>
<li>Plastics and microplastics.</li>
<li>Hazardous drugs.</li>
<li>Toxic heavy metals like mercury and lead.</li>
<li>Sand, gravel, grit, metal particles.</li>
<li>Organic wastes like plant materials, animal faeces, animal bodies etc.</li>
</ul>

Dive into the properties of water and the methods used to purify it. Learn how water is essential and how it’s kept clean for use.

Properties and Purification of Water