Why is BHA added to butter?

Give any two examples of antihistamines.

Write the name of the medicine used for the treatment of each of the following diseases:
(i) Tuberculosis,                
(ii) Pneumonia

What medicinal effect does the drugs omeprazole and lansoprozole have on the human beings?

Give two examples of sulpha drugs.

Give an example of narrow spectrum antibiotic.

What does BHT and BHA stands for chemical used in food industry?

Which two substances are mainly used as anti-oxidants in wine, sugar syrup?

Name the antibiotic which:
(i) inhibit the growth of the organism.
(ii) kills the organism.

What is Mifepristone? Give its medicinal effect.