Question

22.
ग्राम-विकास आन्दोलन किसने चलाया?
(A) विलियम टीनेंट
(B) हैनिमैन
(C) कौटिल्य
(D) गाँधी जी
anniftma​

Answer 1

Answer:

a.

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Answer 2

In the Haber process, “the atmospheric nitrogen (N2) is converted to ammonia (NH3) by reacting it with hydrogen (H2)”. Here a metal catalyst is used and high temperatures and pressures are maintained. Air, which supplies the nitrogen.