Question 32
Question 32 of 40
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Periodic Table
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
6. Chemical reactions
6.2. Rate of reaction

Describe the effect on the rate of reaction of: (a) changing the concentration of solutions (b) changing the pressure of gases (c) changing the surface area of solids (d) changing the temperature (e) adding or removing a catalyst, including enzymes

6. Chemical reactions
6.3. Reversible reactions and equil...

State the symbol equation for the production of ammonia in the Haber process, ( N_2(g) + 3H_2(g) ightleftharpoons 2NH_3(g) )