Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide Air Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Oxygen Carbon dioxide Hydrogen All of them Oxygen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon carbide Silicon oxide Calcium oxide Calcium carbide Silicon carbide Silicon oxide Calcium oxide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission react with U to release energy produce neutrons convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission react with U to release energy produce neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methyl alcohol Acetylene Methane Ethyl formate Methyl alcohol Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS