List of top Chemistry Questions

Which of the following order of ionic radii is correctly represented?
Real gas behaves like an ideal gas at:
Which catalyst is used in oxidizing \( NH_3 \) in Ostwald's process?
Among the following, which is an ionic hydride?
The rate of diffusion of a gas is \( r \) and its density is \( d \), then under similar conditions of pressure and temperature:
Amount of copper deposited on the cathode of an electrolytic cell containing copper sulphate solution by the passage of 2 amperes for 30 minutes (At. mass of Cu = 63.5):
In the following reaction: \[ SO_2 + 2H_2S \rightarrow 3S + 2H_2O \] Which of the following statements is correct?
Which of the following types of drugs reduces fever?
An example of thermosetting plastic is:
Essential constituent of an amalgam is:
Equivalent weight of a dibasic acid is 12. Its molecular weight is:
Hydrocarbon used for welding purposes is:
Which among the following pairs are not having the same number of total electrons?

The IUPAC name of
The IUPAC name of

The common name of 2-Butanone is:
Electronic configuration of copper can be represented as:
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 contain maximum number of molecules?
Ammonia is commercially prepared by
The percentage of Calcium in CaCO\(_3\) is
Which one of the following is the standard for atomic mass?
Which of the following is not a nitrogenous fertilizer?
Number of moles in 180 grams of water is
The number of neutrons in \(^{238}U\) is