Question

Match Column I with Column II and choose he correct option from the codes given below:

Answer 1

In soda-acid fire extinguishers:
This type of extinguisher contains compounds such as sodium bicarbonate, sulphuric acid.
Bleaching powder is used to disinfecting drinking water.
Cleaning agents are substances, usually liquids, powders, sprays, or granules, that are used to remove dirt, including dust, stains, bad smells, and clutter on surfaces. Purposes of cleaning agents include health, beauty, absence of offensive odor, avoidance of shame, and avoiding the spreading of dirt and contaminants to oneself and others. Some cleaning agents can kill bacteria and clean at the same time.
Sodium hydroxide is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.
It can dissolve grease, oils, fats and protein based deposits. It is also used for cleaning waste discharge pipes under sinks and drains in domestic properties.