Chemistry Which is the purest form of iron? Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Nitrogen Ozone Carbon dioxide Methane Nitrogen Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Hydrogen Carbon Phosphorus Sulphur Hydrogen Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Leaching Smelting Slugging Zone melting Leaching Smelting Slugging Zone melting ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Coagulation Sedimentation Softening Disinfection Coagulation Sedimentation Softening ANSWER DOWNLOAD EXAMIANS APP
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