Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Uracil Phosphate Thymine Ribose Uracil Phosphate Thymine Ribose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because Soap acts like catalyst It reduces the surface tension of solution It gives strength to solution It absorbs the dirt Soap acts like catalyst It reduces the surface tension of solution It gives strength to solution It absorbs the dirt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Brass Carbon–dioxide Air Iron Brass Carbon–dioxide Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Silica Asbestos Paper Textiles Silica Asbestos Paper Textiles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS