Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Carbonate Calcium Carbide Calcium Cyanide Calcium Sulphate Calcium Carbonate Calcium Carbide Calcium Cyanide Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Acetic acid Methyl alcohol Methane Oxygen Acetic acid Methyl alcohol Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of moles of solute present in 1 kg of a solvent is called its formality molarity molality normality formality molarity molality normality ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Dries up the blood Reduces the organic matter of tissues Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Dries up the blood Reduces the organic matter of tissues ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon monoxide Chloro fluorocarbon Freon Carbon dioxide Carbon monoxide Chloro fluorocarbon Freon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP