EXAMIANS
Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is
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Coagulant is used __________ filtration.
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Which of the following is not an antibiotic?
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Ca(OH)₂ is called
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Na₂CO₃.10H₂O is called
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Chemical name of soda ash is
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Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.
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Chalcopyrite is the main ore of
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Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
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Cellulose percentage in bamboo fibre is about
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