Chemistry The working of a dry cell is based on Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is sodium bromine fluorine oxygen sodium bromine fluorine oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Precipitator Disinfectant Hydrolyser Flocculator Precipitator Disinfectant Hydrolyser Flocculator ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Asphyxiation Cancer Corrosion Bronchitis Asphyxiation Cancer Corrosion Bronchitis ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS