List of top Chemistry Questions

The product formed when quick lime reacts with water is
Which of the following has larger wavelength in electromagnetic spectrum?
Which of the following is used as a flux in the smelting of Haematite?
In electrolytic refining of metals, the pure metal is taken as
The correct set of four quantum number values for the valence electron of sodium atom is
Potassium and Calcium belongs to
Which of the following is an ore of Iron ?
Which one of the following is an acidic oxide ?
Metallic oxides are generally____in nature
Which one of the following is strong acid ?
The chemical formula of blue coloured Copper Sulphate crystal is_____
pH value of aqueous NaCl solution is
The nature of chemical used in antacid is
The number of six membered and five membered rings in Buckminster Fullerence respectively is
In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is
Primary structure in a nucleic acid contains bases as G A T G C …..… The chain which is complementary to this chain is
The property of the alkaline earth metals that increases with their atomic number is
RNA and DNA are chiral molecules, their chirality is due to the presence of
A hydrocarbon A (C4H8) on reaction with HCl gives a compound B (C4H9Cl) which on reaction with 1 mol of NH3 gives compound C (C4H10N). On reacting with NaNO2 and HCl followed by treatment with water, compound C yields an optically active compound D. The D is
Permanent hardness cannot be removed by
The method by which aniline cannot be prepared is

The product B is
Which is the most suitable reagent for the following conversion ?
Chemical Reaction and Compound
Which of the following is not true for oxidation ?
Chemical Reaction
A and C are