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Chemistry
1. Chemical Reations and Equations
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Q29 of 152 Page 19

Ammonia reacts with oxygen to form nitrogen and water. Write a balanced chemical equation for this reaction.

Add the state symbols for all the reactants and products.

4NH3 (g) + 302(g)2N2 (g) + 6H20 (l)

The equation is balanced and states of reactants and products are denoted.



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28 Substitute formulae for names and balance the following equation :

Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.

28 (b) Write balanced chemical equation with state symbols for the following reaction:

Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.

30 Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction. 31 Translate the following statement into chemical equation and then balance it :

Barium chloride solution reacts with aluminium sulphate solution to form a precipitate of barium sulphate and aluminium chloride solution.

Questions · 152
1. Chemical Reations and Equations
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