Which of the following drugs is used to reduce body temperature?

Neutralization of $H_2SO_4$ with which of the following produces a detergent?

Match List-$I$ with List-$II$.

List-$I$ (Drug class)	List-$II$ (Drug molecule)
$(a)$ Antacids	$(i)$ Salvarsan
$(b)$ Antihistamines	$(ii)$ Morphine
$(c)$ Analgesics	$(iii)$ Cimetidine
$(d)$ Antimicrobials	$(iv)$ Seldane

Choose the correct answer from the options given below:

Match the following. Correct answer is

List-$I$ (Drug)	List-$II$ (Use)
$A$. Veronal	$I$. Antihistamine
$B$. Morphine	$II$. Hypnotic
$C$. Seldane	$III$. Analgesic
	$IV$. Antidepressant

Which of the following statements are true for saccharin?
$(A)$ It is a sodium salt and is not soluble in water.
$(B)$ It is much sweeter than cane sugar.
$(C)$ It is of great value for diabetic patients and is excreted as such in urine.
$(D)$ It is harmful.

Acetoxy benzoic acid is