Chemistry What is the covalency of nitrogen in ammonia molecule 2 3 5 4 2 3 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Decomposition Oxidation Reduction Dehydration Decomposition Oxidation Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Carbon Helium Oxygen Hydrogen Carbon Helium ANSWER DOWNLOAD EXAMIANS APP
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