Chemistry Galena is a mineral of Lead Iron Gold Calcium Lead Iron Gold Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrogen dioxide, ether Ether, Ammonia Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Ether, Ammonia Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water No heat change takes place Heat is liberated Heat is absorbed Temperature decreases No heat change takes place Heat is liberated Heat is absorbed Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Nitric acid Aqua-regia Acetic acid Hydrochloric acid Nitric acid Aqua-regia Acetic acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Copper Lead Zinc Iron Copper Lead Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur Carbon and Oxygen Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur ANSWER DOWNLOAD EXAMIANS APP
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