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NARAYNA-15TH GROUP ELEMENTS-C.U.Q
- In hyponitrous acid the number of Hydroxyl groups present are
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- Phosphorus has the oxidation state +3 in
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- A tribasic acid with peroxy bond is
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- The salts of phosphorous acid are called
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- Which contains O-O linkage ?
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- The formula of meta phosphoric acid is
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- Phosphorous has the oxidation state of +1 in:
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- The number of hydroxyl groups in pyrophosphric acid is .
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- Which of the following is an acid
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- The oxyacid of phosphorous which has more non-ionisable hydrogens
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- Mixture of conc. HNO(3) and conc. H(2)SO(4) is known as
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- Iron is rendered passive by treatment with
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- Industrial preparation of nitric acid by Ostwald's process involves.
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- The catalyst used in the manufacture of NO by Ostwald's process is
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- The catalyst used in the manufacture of ammonia by Haber process is
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- The catalytic promoter used in Haber's process is
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- NH(3) on burning in oxygen gives
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- An aqueous solution of ammonia consist of
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- Nitrolim is
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- In the preparation of HNO(3) by Ostwald process ammonia is
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