Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Camphor Diesel Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of Oxides of N and S O2 and O3 O3 and N2 O2 and N2 Oxides of N and S O2 and O3 O3 and N2 O2 and N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sanitary waste Industrial waste Garbage Sullage Sanitary waste Industrial waste Garbage Sullage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will increase four-fold Will be doubled Remains unchanged Will be reduced to half Will increase four-fold Will be doubled Remains unchanged Will be reduced to half ANSWER DOWNLOAD EXAMIANS APP
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