List of practice Questions

An organic compound of molecular formula $C_{4}H_{10}O$ does not react with sodium. With excess of $HI$, it gives only one type of alkyl halide. The compound is
A neutral compound with molecular formula $C_2H_6O$ evolves hydrogen when treated with
Aspirin, an antipyretic drug is chemically
Substance used for the preservation of colouredfruit juices is
Which of the following is an insecticide ?
The drug that is effective in the treatment of typhoidis
The antiseptic present in Dettol is
Which of the following represents an analgesic ?
Penicillin is a/an
An example of a psychedilic agent is
0.2% solution of phenol is ___________while its 1% solution is________
Penicillin was first discovered by
The correct order of reactivity of halogen is
Which one of the following liberate bromine when reacted with $KBr$?
Ozone is used for purifying water because
Which of the following is a tribasic acid?
Which kind of isomerism is exhibited by octahedral $[Co(NH_3)_4Br_2]Cl$ ?
Which of the following oxide is amphoteric ?
Which is correctly matched ?
$B$ is an extremity of the minor axis of an ellipse whose foci are $S$ and $S'$. If $?SBS'$ is a right angle, then the eccentricity of the ellipse is
Yellow colored solution of $ FeC{{l}_{3}} $ changes to light green, when:
Which of the following functions does not represent a stationary wave ? Here $a, b$ and care constants.
Which of the following fractions of coal-tar distillation contains phenol
Which of the following gas is colourless and odourless?
Which of the following fungi is a parasite on mustard plant and causes the disease white rust of crucifers?