List of top Chemistry Questions

Oleum is

In the removal of silica during smelting, the flux used is

Lead metal is purified by

Sulphur dioxide is prepared by the action of

Which one of the following is not affected by concentrated sulphuric acid ?

The mass of $CaCO_3$ that completely reacts with 1 $dm^3$ of IN hydrochloric acid is

The molecular formula of Ruby silver is

A mixture of aniline and chlorobenzene can, be separated using

Consider the reaction, $N_2(g)+3H_2(g) \to 2NH_3(g)$ The equality relationship between $\frac{d[NH_3]}{dt}$ and $-\frac{d [H_2]}{dt}$ is :-

Copper sulphate dissolves in excess of KCN to give

Identify the correct statement for change of Gibbs energy for a system ($\Delta G_{system}$) at constant temperature and pressure :

The orientation of an atomic orbital is governed by

Ethylene oxide when treated with Grignard reagent yields :

Which of the following is not chiral:-

A solution containing $10\,g$ per $dm^{ 3}$ of urea (molecular mass = $60\,g\, mol^{-1})$ is isotonic with a $5\%$ solution of a non-volatile solute. The molecular mass of this non-volatile solute is :

A solution of acetone in ethanol

At same temperature, which pair of the following solutions are isotonic solutions ?

During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process $ { Proteins ->[{\text{Enzyme(A)}}] Polypeptides }$ $ { ->[{\text{Enzyme(B)}}] Amino acids,}$ are respectively

Which of the following is biodegradable polymerof polyamide class ?

Which product formed during the reaction between sodium phenoxide and ethyl iodide on heating?

D(+) lactic acid is obtained from

Which one of the following is a peptide hormone:-

The human body does not produce

Which of the following is more basic than aniline ?