Chemistry The percentage of carbon in cost iron is : 0.01 to 0.25 3 to 5 6 to 8 0.5 to 1.5 0.01 to 0.25 3 to 5 6 to 8 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 4.5-5 7.5-8 6.5-7 44052 4.5-5 7.5-8 6.5-7 44052 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Hydrolysis Hydrogenation Ozonolysis Oxidation Hydrolysis Hydrogenation Ozonolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried ANSWER DOWNLOAD EXAMIANS APP
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