Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Zinc sulphate Lead Sulphate Sodium sulphate Potassium sulphate Zinc sulphate Lead Sulphate Sodium sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Calcination Refining Smelting Roasting Calcination Refining Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Hydrocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Hydrocarbons Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wood spirit is Propyl alcohol Butyl alcohol Methyl alcohol Ethyl alcohol Propyl alcohol Butyl alcohol Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Homogeneous Both A and B Heterogeneous Pure substance Homogeneous Both A and B Heterogeneous Pure substance ANSWER DOWNLOAD EXAMIANS APP