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Steps for Balancing Chemical Equations

When the solu...

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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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Solution

(a)
Lead nitrate.

(b)
Lead iodide.

(c)
Formation of a precipitate.

(d)

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Q. 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 reaction is illustrated by this example?
(d) Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactants and products involved in the chemical equation.

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