List of top Chemistry Questions

Which of the following is not a nitrogenous fertilizer?
Which one of the following is the standard for atomic mass?
The number of neutrons in \(^{238}U\) is
An aqueous solution of Ferric chloride is
Number of moles in 180 grams of water is
The metal which is found in the native state 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 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
How many electrons an atom have in M shell whose atomic number is 19?
Soils of Western Rajasthan have a high content of
pH value of 0.0001 M HCl solution is
The metal that cannot displace hydrogen from dilute hydrochloric acid is
Work done during the expansion of a gas from a volume of \(4 \, \text{dm}^3\) to \(6 \, \text{dm}^3\) against a constant external pressure of 3 atm is (1 L atm = 101.32 J)
Phenol with dilute HNO\(_3\) gives
The value of one Faraday charge is
IUPAC name of
H\(_3\)C - C = CH - CH\(_2\) - CH\(_3\) Cl
The correct order of Radii is
Potassium chloride contains K-(Approximate)
Which gas is used in Electric Bulb?
Which of the following atoms would be paramagnetic?
Which of the following compounds can be used as anti-freeze in car radiators?
The wavelength (in cm) of the second line in the Lyman series of the hydrogen atomic spectrum is (Rydberg constant \( R \, \text{cm}^{-1})\).
The bond order of \( O_2 \) molecule and its magnetic property are respectively:
For the reaction 2A⇋ B + C, KC = 4 × 10–3 . At a given time, the composition of reaction mixture is: [A] = [B] = [C] = 2 × 10–3 M. Then, which of the following is correct?
Identify the correct reagents that would bring about the following transformation.
correct reagents that would bring about the following transformation. correct reagents that would bring about the following transformation.