Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Solvation Coagulation Dialysis Emulsion Solvation Coagulation Dialysis Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Peat Bituminous Lignite Anthracite Peat Bituminous Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Hydrogen Helium Air Nitrogen Hydrogen Helium Air ANSWER DOWNLOAD EXAMIANS APP
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