Chemistry Vulcanized rubber contains sulphur 0.02 7-9% 10-15% 3-5% 0.02 7-9% 10-15% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Chromium and nickel Copper and chromium Manganese and copper Copper and nickel Chromium and nickel Copper and chromium Manganese and copper Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Oxygen All of them Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.01 0.78 1 0.21 0.01 0.78 1 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO PAN NO SO2 CO PAN NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Sewage Tobacco Insecticides Leaded gasoline Sewage Tobacco Insecticides Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
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