Chemistry The element which is used for vulcanizing rubber Silicon Sulphur Phosphorus Bromine Silicon Sulphur Phosphorus Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Copper Lead Iron Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and c A and b C and d B and c A and c A and b C and d B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Hg Mr None of these Mg Hg Mr None of these Mg ANSWER DOWNLOAD EXAMIANS APP
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