Chemistry The most abundant constituent of atmospheric air is : Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Carbon Helium Hydrogen Oxygen Carbon Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyamide Polypropylene Polyethylene Polyester Polyamide Polypropylene Polyethylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Amino phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Hydroxy phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Hydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Kerosene Petrol Pyridine Water Kerosene Petrol Pyridine Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen Carbon dioxide Carbon monoxide Nitrogen dioxide Nitrogen Carbon dioxide Carbon monoxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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