Chemistry The mass of one Avogadro number of helium atom is 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Base Polymer Acid Solution Base Polymer Acid Solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Chlorine Hydrogen Helium Nitrogen Chlorine Hydrogen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Free radical Carbene Carbanion Carbocation Free radical Carbene Carbanion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Cadmium Tin Zinc Mercury Cadmium Tin Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
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