Chemistry Hard water and soft water can be distinguished by using Dilute acid Liquid soap Detergent Ordinary soap Dilute acid Liquid soap Detergent Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Nitrogen Oxygen and Carbon Oxygen only Hydrogen and Carbon Oxygen and Nitrogen Oxygen and Carbon Oxygen only Hydrogen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor It releases H2 in a chemical reaction An electron acceptor In a chemical reaction its oxidation number increases An electron donor It releases H2 in a chemical reaction An electron acceptor In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Disodium hydrogen phosphate Phosphoric acid Sodium dihydrogen phosphate Sodium phosphate Disodium hydrogen phosphate Phosphoric acid Sodium dihydrogen phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.323 0.273 0.158 0.201 0.323 0.273 0.158 0.201 ANSWER DOWNLOAD EXAMIANS APP
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