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Point out two properties of water that make it an excellent solvent.
asked Sep 24, 2017 in Chemistry by sonia (36.5k points)
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What is capillary action?
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Oxides of nitrogen cause air pollution. Describe the sources of these compounds.
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Compounds of sulphur are air pollutants.
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Define acid rain. How it forms and what are its effects?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Why CO is considered a health hazard?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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What is the characteristics of stratosphere?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Give the characteristics of troposphere.
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Write down the significance of atmospheric gases.
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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How ozone layer is being depleted by Chlorofluocarbons?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Why the 75% of the atmospheric mass lies within the troposphere?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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How ozone layer forms in stratosphere?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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Point out two serious effects of ozone depletion.
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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How acid rain increases the acidity of soil?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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What threats are to human health due to SO gas as air pollutant?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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CO is a hidden enemy, explain its action.
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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CO2 is responsible for heating up atmosphere, how?
asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)
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State the major sources of CO and CO2 emission
asked Sep 23, 2017 in Chemistry by sonia (36.5k points)
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