Chemistry The most abundant element in the earth’s atmosphere is Krypton Argon Oxygen Nitrogen Krypton Argon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Aluminium Cement Petrochemicals Fertilizers Aluminium Cement Petrochemicals Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon oxide Calcium oxide Silicon carbide Calcium carbide Silicon oxide Calcium oxide Silicon carbide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Hydrogen Carbon dioxide Nitric oxide Chlorofluorocarbon Hydrogen Carbon dioxide Nitric oxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of metallurgy discovery of elements atomic structure periodic table of contents metallurgy discovery of elements atomic structure periodic table of contents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium chloride is Arrhenius Acid Bronsted Lowry Acid Lewis Base Lewis Acid Arrhenius Acid Bronsted Lowry Acid Lewis Base Lewis Acid ANSWER DOWNLOAD EXAMIANS APP
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