Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Butane Ethane Methane Propane Butane Ethane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Methane Carbon dioxide Sulphur dioxide None of these Methane Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A bacterium An alga A fungus Lichen A bacterium An alga A fungus Lichen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Percentage of carbon in steel ranges from 0.1 to 1.5 1.5 to 3.0 4.0 to 6.0 3.0 to 4.0 0.1 to 1.5 1.5 to 3.0 4.0 to 6.0 3.0 to 4.0 ANSWER DOWNLOAD EXAMIANS APP
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