Aspirin acts both as

Which one of the following is a bacterial disease?

Butylated hydroxyanisole $(BHA)$ is:

Among the following,which is not an antacid?

The correct match of the following is:

$A$. Noradrenaline	$i$. Broad spectrum antibiotic
$B$. Barbiturates	$ii$. Neurotransmitter
$C$. Bromopheniramine	$iii$. Narrow spectrum antibiotic
$D$. Penicillin-$G$	$iv$. Antihistamine
	$v$. Hypnotic

$A$ chemist has $4$ samples of artificial sweetener $A, B, C$,and $D$. To identify these samples,he performed certain experiments and noted the following observations:
$(i)$ $A$ and $D$ both form blue-violet colour with ninhydrin.
$(ii)$ Lassaigne extract of $C$ gives positive $AgNO_{3}$ test and negative $Fe_{4}[Fe(CN)_{6}]_{3}$ test.
$(iii)$ Lassaigne extract of $B$ and $D$ gives positive sodium nitroprusside test.
Based on these observations,which option is correct?