ICSE 1998 : SCIENCE Paper 2 (Chemistry) - Question 3(a) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1998
(One hour and a half)

Question 3
(a) The following reactions are carried out:
A : Nitrogen + Metal → Compound X
B : X + Water → Ammonia + Another compound.
C : Ammonia + Metal oxide → Metal + Water + Nitrogen.

(i) One metal that can be used for reaction A is magnesium.

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44.
1. State the conditions for the reaction.

45.
2. Write the formula of the compound X formed when nitrogen and magnesium react together.

46.
(ii) Write the correctly balanced equation for reaction B where X is the compound formed between nitrogen and magnesium.

47.
(iii) What property of ammonia is demonstrated by reaction C?

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