List of top Chemistry Questions asked in AFMC

$50 \,mL$ of $10 \,N H_2SO_4, 25 \,mL$ of $12 \,N \,HCI$ and $40\, mL$ of $5N \,HNO_3$ are mixed and the volume of the mixture is made $1000\, mL$ by adding water. The normality of resulting solution will be

How will you separate a solution (miscible) of benzene $ +CHCl_{3}$ ?

According to law of mass action rate of a chemical reaction is proportional to :

In electrolysis of dilute $ H_2SO_4$, what is liberated at anode?

Pasteurization is :

Lucas test is done for:

Ketones react with $Mg - Hg$ over water gives :

Alcohols are isomeric with :

A gas can be liquefied :

In Hall's process the main reagent is mixed with:

If a substance with half-life $3$ days is taken at other place in $12$ days, what amount of substance is left now ?

If $0.1\, M$ of a weak acid is taken and its percentage of degree of ionization is $1.34 \%$, then its ionization constant will be :

Which of these have no unit?

Oxidation number of carbon in $CH_2Cl_2$ is

The molecule of $CO _{2}$ has angle $180^{\circ}$. It can be explained on the basis of :

''The addition of unsymmetrical reagents to unsymmetrical alkenes occurs in such a way that the negative part of the addendum goes to that carbon atom of the double bond which carries lesser number of hydrogen atoms'' is called by :

Bessemer converter is used for the preparation of:

$Mg$ and $Li$ are similar in their properties due to:

Which of the following oxides of nitrogen is solid?

The intensive property among the following is

The normality of mixture obtained by mixing $100\, mL$ of $0.2\, M H _{2} SO _{4}$ and $200\, mL$ of $0.2 \,M\,HCl$ is :

Compressibility factor for $1$ mole of a van der Waals' gas at $0^{\circ} C$ and $100$ atmospheric pressure is found to be $0.5$ the volume of gas molecules is :

To which block of the periodic table does element with atomic number 56 belong

The bonding present between the carbon atoms of graphite: