Chemistry Quartz is made of Calcium Silicate Sodium Silicate Sodium Sulphate Calcium Sulphate Calcium Silicate Sodium Silicate Sodium Sulphate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Lignite Magnetite Bauxite Nitrite Lignite Magnetite Bauxite Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Denatured spirit Methylated alcohol Rectified spirit Power alcohol Denatured spirit Methylated alcohol Rectified spirit Power alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Carbon dioxide Chlorofluorocarbons Methane Nitrous oxide Carbon dioxide Chlorofluorocarbons Methane Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Ethanol Ethylene glycol Methanol Propyl alcohol Ethanol Ethylene glycol Methanol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP