Question 10
Question 10 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
6.3. Reversible reactions and equil...

State the sources of the hydrogen (methane) and nitrogen (air) in the Haber process

11. Organic chemistry
11.4. Alkanes

Describe the substitution reaction of alkanes with chlorine as a photochemical reaction, with ultraviolet light providing the activation energy, ( E_a ), and draw the structural or displayed formulae of the products, limited to monosubstitution