Which of the following coals has the highest calorific value?
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Chemical Engineering · all questionsChemical Process
Chemical Process
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Bleaching action of bleaching powder is due to its __________ properties.
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RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically
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Dechlorination of treated water is necessary to
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Deaeration of water in its treatment is necessary, as it
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Phenol formaldehyde resin is used as an adhesive in making
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Solvent used for extraction of oil is
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Soap cannot be used with hard water, because
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Which glass is usually used in optical work?
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The purpose of adding Na2CO3 to water of low alkalinity is to
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Calgon used in water treatment is chemically
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The main use of activated carbon in water treatment is to control
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Type of glass used in optical work is the __________ glass.
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The most economical pulp for the production of newsprint would be the __________ pulp.
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Solvay process as compared to dual process (i.e. modified Solvay process)
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Pick out the wrong statement.
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Cumene (isopropyl benzene) is made by
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Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
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The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
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Q100
Open questionDense soda ash used in the manufacture of glass, is chemically represented by
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