The earthy impurities present in the mineral are called

The molecule having zero dipole moment is:

Which of the following is called Rosenmund reaction?

The value of K_p for the reaction 2H₂S(g) ⇔ 2H₂(g) + S₂(g) is 1.2X10^-2 at 1065⁰C.The value of K_C for the reaction

Method used for the concentration of tinstone ore is

PH of a solution produced when aqueous solution of PH 6 is mixed with an equal volume of an aqueous solution oh PH is about

A mixture of Haematite,coke and limestone on heating in blast furnace gives molten iron metal.This is known as

In lime kiln the reaction CaCO₃(s)⇔CaO(s)+CO₂(g)

During electrolytic reduction of aluminia,the reaction at cathode is

At 27⁰C the Kp value for the reaction PCl₅(g)⇔PCl₃(g)+Cl₂(g).is 0.65.Its K_c is