Question
In the Harber- Bosch process which element is used as
catalyst for ammonia production?Solution
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. Normally an iron catalyst is used in the process
24.11% of 249.99 + √143.97 ÷ 12.02 = ?
? = 41.92% of (34.92 x 40.42) + 29.78% of 399.84
What approximate value should come in place of question mark in the following question?
√289.3 × 14.98 = ?
A sum of ₹60,000 is invested at a compound interest rate of 'x%' per annum, compounded annually, and grows to ₹75,264 in 2 ye...
? = 200.24 + 1077.97 – 14.992
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
(12.13) 2 - 19.93 + 39.78 - 42.93 = ?
(56.04% of 550.06 + 19.92 × 18.13) – 121.97 = ?
22.03 × 6.97 + 19.01 – 16.02 = ?
20.05% of 450.05 – 15.15% of 119.99 × 4.02 = ?
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