Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Lithium Sodium Potassium Cadmium Lithium Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Calcium Sodium Aluminium Silver Calcium Sodium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 1 0.05 2 0.01 1 0.05 2 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Filtration Flocculation Water softening Sedimentation Filtration Flocculation Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It absorbs the dirt It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst It absorbs the dirt It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst ANSWER DOWNLOAD EXAMIANS APP