Q1 of 43 Page 188

Make the correct pairs from below mentioned (X) and (Y).

(a-2) Extraction of sulphur is done by Frasch method

(b–4) Production of nitric acid is done by Ostwald’s method.


(c-1) Production of sulphuric acid is done by the Contact process


(d-3) Production of ammonia gas is done by Haber’s Process.

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Which of the following gases is combustible ?

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Which of the following acts as catalyst in production of ammonia by Haber’s process?

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Make correct pairs from below mentioned (X) and (Y).

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Make the correct pairs from below mentioned (X) and (Y)