List of practice Questions

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 fractions of coal-tar distillation contains phenol
Which of the following functions does not represent a stationary wave ? Here $a, b$ and care constants.
Which of the following functions are one-one and onto ?
Which of the following fungi is a parasite on mustard plant and causes the disease white rust of crucifers?
Which of the following gas is colourless and odourless?
Which of the following gases is least adsorbed on charcoal?
Which of the following is the largest gland in an adult man?
When lead nitrate is heated, it gives:
The interference phenomenon can take place:
The current sensitivity of a moving coil galvanometer depends on
Polyp phase is absent in
Biological concept of species is mainly based on
Which of the following groups of organisms have a protein rich layer called pellicle?