Chemistry The mass of one Avogadro number of helium atom is 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 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Ethanol Phenol Acetic acid Oxalic acid Ethanol Phenol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Plastic D.T. Paper Aluminium Plastic D.T. Paper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford Volta ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Silver Mercury Copper Gold Silver Mercury Copper Gold ANSWER DOWNLOAD EXAMIANS APP