Question

Detergents can be used to reduce microbial concentrations and all of the following are true except:

Answer 1

Answer:

Options-(C): They are ineffective against the tuberculosis bacteria.

Explanation:

• Some of the characteristics of the detergents are as follows;

1. They can be used to reduce microbial concentrations.
2. They are polar molecules that act as surfactants.
3. The most effective ones are positively charged. in low concentrations they are bacterio-static.
4. They are active in the presence of organic matter.