Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Iron Magnesium Oxygen Silicon Iron Magnesium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Zinc Copper Nickel Tin Zinc Copper Nickel Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon monoxide Freon Chloro fluorocarbon Carbon dioxide Carbon monoxide Freon Chloro fluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A purifier for water An analgesic A fertilizer A disinfectant A purifier for water An analgesic A fertilizer A disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Biotic Renewable Non-renewable Abiotic Biotic Renewable Non-renewable Abiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide ANSWER DOWNLOAD EXAMIANS APP
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