Question 29
Question 29 of 40
Question image for Q29
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
10. Chemistry of the envi...
10.2. Fertilisers

State that ammonium salts and nitrates are used as fertilisers

7. Acids, bases and salts
7.3. Preparation of salts

Describe the preparation, separation and purification of soluble salts by reaction of an acid with: (a) an alkali by titration (b) excess metal (c) excess insoluble base (d) excess insoluble carbonate