Chemistry Removal of carbon particles from air involves the principle of Precipitation Filteration Electrophoresis Sedimentation Precipitation Filteration Electrophoresis Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Crop residues Animal wastes Aquatic plants Forest residues Crop residues Animal wastes Aquatic plants Forest residues ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Platinum Lead Mercury Zinc Platinum Lead Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Petrol Alcohol Oxalic acid H2O2 Petrol Alcohol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS