Chemistry The mass of one Avogadro number of helium atom is 1.00 gram 4 x 6.02 x 1023 gram 8.00 gram 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram 8.00 gram 4.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Neutrons Positrons Electrons Protons Neutrons Positrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Two One Three Zero Two One Three Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Hydrochloric acid Sulphuric acid Nitric acid Lactic acid Hydrochloric acid Sulphuric acid Nitric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Acetic acid Carbonic acid Lactic acid Citric acid Acetic acid Carbonic acid Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
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