Chemistry The main constituent of biogas is Oxygen Methane Acetic acid Methyl alcohol Oxygen Methane Acetic acid Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyester Polypropylene Polyamide Polyethylene Polyester Polypropylene Polyamide Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bohr Fermi Bethe Anderson Bohr Fermi Bethe Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.78 0.01 0.21 1 0.78 0.01 0.21 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Carbon black Coke Graphite Coal Carbon black Coke Graphite Coal ANSWER DOWNLOAD EXAMIANS APP
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