1. Concentrated phenol is used as a disinfectant 2. Gypsum is largely used in medical industries.

Question

True or False. If False, give the correct statement :

1. Concentrated phenol is used as a disinfectant

2. Gypsum is largely used in medical industries.

3. Plaster of Paris is obtained from heating gypsum.

4. Adhesives are the substances used to separate the components.

5. NPK are the primary nutrients for plants.

Answer 1

1. False. Low concentrated phenol is used as a disinfectant.

2. False. Gypsum is largely used in cement preparation.

3. True.

4. False. Adhesives are the substances used to join the components.

5. True.