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 The drug ‘Marijuana’ is a Hallucinating substance Tranquillizer Mental stimulant Sedative Hallucinating substance Tranquillizer Mental stimulant Sedative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Batteries Diesel Petrol and oxygen Steam Batteries Diesel Petrol and oxygen Steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cal2 CaF2 CaBr2 Cacl2 Cal2 CaF2 CaBr2 Cacl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.01 mg/m3 5.0 mg/m3 1.0 mg/m3 0.001 mg/m3 0.01 mg/m3 5.0 mg/m3 1.0 mg/m3 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP