1.

When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution. (a) What do you think substance X is likely to be ? (b) Name the substance which the yellow solid consists of. (c) Which characteristic of chemical reactions is illustrated by this example ? (d) Write a balance chemical equation for the reaction which takes place. Mention the physical states of all the reactants adn products involved in the chemical equatio.

Answer»

When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.

(a) What do you think substance X is likely to be ?

(b) Name the substance which the yellow solid consists of.

(c) Which characteristic of chemical reactions is illustrated by this example ?
(d) Write a balance chemical equation for the reaction which takes place. Mention the physical states of all the reactants adn products involved in the chemical equatio.



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