Chemistry Which one of the following metals is used to galvanise iron ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Glycerine Alcohol Kerosene oil Fats Glycerine Alcohol Kerosene oil Fats ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Laughing Gas Anaesthetic Gas Tear Gas Noble Gas Laughing Gas Anaesthetic Gas Tear Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Mosquitoes White ants Red ants Cockroaches Mosquitoes White ants Red ants Cockroaches ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.158 0.323 0.201 0.273 0.158 0.323 0.201 0.273 ANSWER DOWNLOAD EXAMIANS APP
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