List of top Chemistry Questions

Which one of the following is not a product in the electrolysis of aqueous NaCl ?
Which of the following is used as a flux in the smelting of Haematite?
The impurities present in the ore is called as
In an atom, when electron jumps from ground state to excited state
In electrolytic refining of metals, the pure metal is taken as
The orbital which is filled with electrons immediately after '3p' is -
Potassium and Calcium belongs to
The reaction that takes place in Thermite process is
What does the symbol '∆' represent in a chemical equation ?
The product formed when quick lime reacts with water is
The quantum number which explains about the spacial orientation of orbitals is
The correct set of four quantum number values for the valence electron of sodium atom is
Which of the following is an ore of Iron ?
Which of the following has larger wavelength in electromagnetic spectrum?
When n = 4, the total number of subshells in an orbit is n =
pH value of aqueous NaCl solution is
The nature of chemical used in antacid is
Metallic oxides are generally____in nature
The chemical formula of blue coloured Copper Sulphate crystal is_____
Which one of the following is an acidic oxide ?
Which one of the following is strong acid ?
The number of six membered and five membered rings in Buckminster Fullerence respectively 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