Chemistry The mass number of a nucleus is a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Carbon monoxide Oxygen Carbon dioxide Nitrogen Carbon monoxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Lactic acid Acetic acid Carbonic acid Citric acid Lactic acid Acetic acid Carbonic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 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 4.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Flocculation Sedimentation Water softening Filtration Flocculation Sedimentation Water softening Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methane Acetic acid Oxygen Methyl alcohol Methane Acetic acid Oxygen Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP