Chemistry The most abundant element in the earth’s atmosphere is Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Jojoba wax Carnauba wax Paraffin wax Bees wax Jojoba wax Carnauba wax Paraffin wax Bees wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Phenolphthaline Methylene blue Methyl red Methyl orange Phenolphthaline Methylene blue Methyl red Methyl orange ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Chlorine Sulphur Sponge Polythene Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S ANSWER DOWNLOAD EXAMIANS APP