Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Zinc Copper Silver Aluminium Zinc Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Preservative Fumigant Insecticide Pesticide Preservative Fumigant Insecticide Pesticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Helium Hydrogen Chlorine Nitrogen Helium Hydrogen Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus An insect A seed plant A bacterium A fungus An insect A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid Methyl salicylate Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP