$A$ large number of antibiotics have been isolated from:

The compound given below is used as ...... .

Which of the following is used as an antacid?

Assertion : Tetracycline is a broad spectrum antibiotic.
Reason : Tetracycline is effective against a number of types of bacteria,large viruses and typhus fever.

$A$ substance which can act both as antiseptic and disinfectant is

Squashes are stored by adding