Question 7
Question 7 of 40
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Periodic Table
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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
9. Metals
9.4. Reactivity series

Describe the reactions, if any, of: (a) potassium, sodium and calcium with cold water (b) magnesium with steam (c) magnesium, zinc, iron, copper, silver and gold with dilute hydrochloric acid and explain these reactions in terms of the position of the metals in the reactivity series

11. Organic chemistry
11.7. Carboxylic acids

Describe the reaction of ethanoic acid with: (a) metals (b) bases (c) carbonates including names and formulae of the salts produced

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

State the symbol equation for the conversion of sulfur dioxide to sulfur trioxide in the Contact process, (2SO_2(g) + O_2(g) ightleftharpoons 2SO_3(g))