List of top Chemistry Questions

An example of thermosetting plastic is:
Hydrocarbon used for welding purposes is:
Which of the following types of drugs reduces fever?
In the following reaction: \[ SO_2 + 2H_2S \rightarrow 3S + 2H_2O \] Which of the following statements is correct?
Equivalent weight of a dibasic acid is 12. Its molecular weight is:
Essential constituent of an amalgam is:

The IUPAC name of
The IUPAC name of

The common name of 2-Butanone is:
The number of molecules present in 2.8 g of nitrogen is:
The half-life period of a radioactive element is 150 days. After 600 days, 1 gm of the element will be reduced to:
Which among the following pairs are not having the same number of total electrons?
Electronic configuration of copper can be represented as:
Which contain maximum number of molecules?
The percentage of Calcium in CaCO\(_3\) is
Ammonia is commercially prepared by
Which of the following is not a nitrogenous fertilizer?
Which one of the following is the standard for atomic mass?
An aqueous solution of Ferric chloride is
Number of moles in 180 grams of water is
The number of neutrons in \(^{238}U\) is
Accepting the definition that an acid is a proton donor, the acid in the following reaction
\[ NH_3 + H_2O \rightleftharpoons NH_4^+ + OH^- \] is
The metal which is found in the native state is
The volume of a gas at 1140 mm of Hg pressure and 546°C temperature is 150 litre. The volume of gas at S.T.P. will be
Soils of Western Rajasthan have a high content of
How many electrons an atom have in M shell whose atomic number is 19?