Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction Electrolysis Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 29 KJ 1 KJ 30 KJ 39 KJ 29 KJ 1 KJ 30 KJ 39 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene carbon dioxide ethane acetylene ethylene carbon dioxide ethane acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur Carbon and Oxygen Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur Carbon and Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Urea None of these Ammonia Uric Acid Urea None of these Ammonia Uric Acid ANSWER DOWNLOAD EXAMIANS APP