Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Gold Zinc Iron Copper Gold Zinc Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Zinc plating Galvanization Alloy formation Vulcanization Zinc plating Galvanization Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Styrene Ethylene Methane Acetylene Styrene Ethylene Methane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Ferrous sulphide Lead sulphide Lead Graphite Ferrous sulphide Lead sulphide Lead Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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