Chemistry When a spoon is to be electroplated with nickel the spoon is Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Hydrochloric acid Formic acid Phosphoric acid Acetic acid Hydrochloric acid Formic acid Phosphoric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Iodine Vanadium Argon Sulphur Iodine Vanadium Argon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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