Chemistry Limestone is a raw material used by which industry? Cement Aluminium Fertilizers Petrochemicals Cement Aluminium Fertilizers Petrochemicals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Gold Aluminium Iron Silver Gold Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Refining Smelting Calcination Roasting Refining Smelting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Need not be different Must be different Must be same Need not be same Need not be different Must be different Must be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of entropy A lowering of free energy Increase in free energy An increase in Internal energy A lowering of entropy A lowering of free energy Increase in free energy An increase in Internal energy ANSWER DOWNLOAD EXAMIANS APP