List of top Chemistry Questions asked in TS POLYCET

The chemical reaction in which heat is absorbed is called
The valency of Calcium is
Which one of the following is not a product in the electrolysis of aqueous NaCl ?
Which of the following is not an inert gas element ?
Atomic number of an element is 17 then the period to which this element belongs
What does the symbol '∆' represent in a chemical equation ?
When n = 4, the total number of subshells in an orbit is n =
In an atom, when electron jumps from ground state to excited state
Which of the following has larger wavelength in electromagnetic spectrum?
The orbital which is filled with electrons immediately after '3p' is -
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
The impurities present in the ore is called as
Which of the following is used as a flux in the smelting of Haematite?
Potassium and Calcium belongs to
Which of the following is an ore of Iron ?
In electrolytic refining of metals, the pure metal is taken as
The reaction that takes place in Thermite process is
Which one of the following is an acidic oxide ?
Which one of the following is strong acid ?
pH value of aqueous NaCl solution is
The chemical formula of blue coloured Copper Sulphate crystal is_____
The nature of chemical used in antacid is
Metallic oxides are generally____in nature