Chemistry The most abundant element in the earth’s atmosphere is Oxygen Argon Nitrogen Krypton Oxygen Argon Nitrogen Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Bituminous Lignite Anthracite Peat Bituminous Lignite Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Oxygen Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Potassium Aluminium Fluorine Lead Potassium Aluminium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Bromine Phosphorus Silicon Sulphur Bromine Phosphorus Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Urea Uric acid Lactic acid Glucose Urea Uric acid Lactic acid Glucose ANSWER DOWNLOAD EXAMIANS APP
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