EXAMIANS
What are the methods of treatment & disposal of radioactive wastes?
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Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
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There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.
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In water treatment plant, zeolite process is used to remove the __________ of water.
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World environment day is observed every year on the 5th of
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Industrial workers working in leather tanning & manufacturing units are prone to suffer from
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TLV of mercury in potable (drinking) water is about __________ ppm.
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Reinglemann chart is used for the measurement of the
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Global warming may result in
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Radioactive substances present in the polluted water stream can be removed by
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