The pH value of gastric juice in human stomach is about 1.8 and in the small intestine it is about 7.8. The pK_a value of aspirin is 3.5. Aspirin will be

• completely ionised in the small intestine and in the stomach

• unionised in the small intestine and in the stomach

• ionised in the small intestine and almost unionised in the stomach

• ionised in the stomach and almost unionised in the small intestine

Which is incorrectly matched?

• Golden spangles . PbCrO₄

• Cu₂S + FeS: Matte

• ZnO : Pompholyx

• 10 vol H₂O₂ : 3.035%

Cetyltrimethyl ammonium bromide (TAB) is popular is

• antioxidant

• antibiotic

• surfactant

• tranquillizer

The functional groups present in aspirin are

• OH, NHCOCH₃

• OC₂H₅, COOH

• COOH, OCOCH₃

• H, OCOCH₃

Which among the following is not an antibiotic?

• Erythromycin

• Oxytocin

• Penicillin

• Tetracycline

2-acetoxy benzoic acid is used as an

• antimalarial

• antidepressant

• antiseptic

• antipyretic

A drug that is antipyretic as well as analgesic is

• penicillin

• chloroquin

• para-acetamidophenol

• chloropromazine hydrochloride

Paracetamol is a following drug

• antipyretic

• antiseptic

• antibiotic

• anaesthetic

Drugs are the chemicals with

• low molecular masses

• high molecular masses

• low atomic mass

• high atomic mass

Which ofthe following is a nacrotic analgesic?

• Paracetamol

• Aspirin

• Morphine

• None of the above