List of top Chemistry Questions asked in AFMC

The alcohol manufactured from water gas is :

One mole of an ideal gas is allowed to expand reversibly and adiabatically from a temperature of $27^{\circ} C$ The work done is $3 \,kJ$. The final temperature of the gas is equal to $\left[C_{v}=20\, K J^{-1}\right]:$

The boiling point of heavy water is

Nylon-66 is made by using

The freezing point of a solution prepared from 1.25 g of non-electrolyte and 20 g of water is 271.9K. If molar depression constant is 1 86 $K m^{-1}$ then molar mass of the solute will be

Azeotropic mixture of $ HCl $ and water has

Which of the following cannot be formed ?

Orlon is a polymer of

A useful member of lanthanides is

The art of electroplating was given by

Which of the following 0.10 m aqueous solution will have the lowest freezing point ?

The concentration of reactants is increased by x. then equilibrium constant K becomes

Which of the following is not correct about transition metals ?

Isotonic solutions have same

Which of the following method is used for measuring the osmotic pressure of the solution

Which of the following is amphoteric oxide? $Mn_2O_7$, $CrO_3$, $Cr_2O_3$, $CrO$, $V_2O_5$, $V_2O_4$

Which of the following phosphorus is mostreactive ?

Which of the following undergoes sublimation ?

Which of the following has unchanged valency ?

When excess of water is added to $BiCl_3$ solution

Which one of the following elements can have both positive and negative oxidation state ?

Which of the following is a polyamide ?

The turgidity of a polymer solution measures

Which of the following phenomena will occur when two atoms of the elements having same spin of electron approach for bonding ?

The osmotic pressure of a solution can be increased by