Chemistry Ruby and sapphire are oxides of Aluminium Iron Copper Tin Aluminium Iron Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Brass Bronze Copper Silver Brass Bronze Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO Na2O Al22O3 CaO MgO Na2O Al22O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- ANSWER DOWNLOAD EXAMIANS APP
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