Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Silver Aluminium Zinc Copper Silver Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The liquid waste from kitchens and baths, of residences is known as : Sullage Storm water Domestic sewage Refuse Sullage Storm water Domestic sewage Refuse ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 4 8 2 1 4 8 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide 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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