Chemistry By-product obtained by soap industry is Naphthalene Glycerol Caustic soda Caustic potash Naphthalene Glycerol Caustic soda Caustic potash ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property Oxidising property ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Smoke Carbon dioxide Sulphur dioxide Carbon monoxide Smoke Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is liberated No heat change takes place Temperature decreases Heat is absorbed Heat is liberated No heat change takes place Temperature decreases Heat is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane ethylene carbon dioxide acetylene ethane ethylene carbon dioxide acetylene ANSWER DOWNLOAD EXAMIANS APP
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