Chemistry One of the constituents of tear gas is Ethanol Ethane Ether Chloropicrin Ethanol Ethane Ether Chloropicrin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Carbon dioxide Neon Carbon monoxide Nitrogen Carbon dioxide Neon Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-1 Mol-1 let-2 Mol-1 let-1 Mol2 let-2 Mol2 let-1 Mol-1 let-2 Mol-1 let-1 Mol2 let-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Magnesium Potassium Aluminium Beryllium Magnesium Potassium Aluminium Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP