Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gas released during Bhopal tragedy was : Ethyl isothiocyanate Methyl isothiocyanate Sodium isothiocyanate Potassium isothiocyanate Ethyl isothiocyanate Methyl isothiocyanate Sodium isothiocyanate Potassium isothiocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Dust Arsenic Bacteria Algae Dust Arsenic Bacteria Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyamide polymer Polyester polymer Polyvinyl polymer Polysaccharide Polyamide polymer Polyester polymer Polyvinyl polymer Polysaccharide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Nitrogen dioxide, ether Ether, Ammonia Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform Nitrogen dioxide, ether Ether, Ammonia Chloroform, Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type Soda acid type None of these Foam type Powder type Soda acid type None of these Foam type ANSWER DOWNLOAD EXAMIANS APP
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