Symbol Equations

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Symbol Equations: Overview

This topic covers concepts, such as, Chemical Equations, Skeletal Chemical Equations, Word Equations & Writing Chemical Formula of Ammonium Sulphate etc.

Important Questions on Symbol Equations

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_____ are formed at the end of the chemical reaction.

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Define the reactants in a chemical reaction.

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The chemical formula of calcium oxide is:

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The formula of aluminium oxide is:

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Write the chemical formula of calcium hydroxide. Also mention its cation and anion.

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Write the chemical formula of sodium nitrate. Also mention the cation and anion in it.

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Write the chemical formula of magnesium chloride. Also mention the cation and anion in magnesium chloride.

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Write the chemical formula of hydrogen chloride.

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Give the symbols used for common ions.

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Give reasons for the following:

A chemical equation should be balanced.

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Define word equation of a chemical reaction and write the word equation for a given chemical reaction.

Cus + Cl2g   CuCl2s 

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Define word equation of a chemical reaction.

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Mention the names and symbols of some common ions.

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What are chemical equations? How can we write chemical equations? Explain with examples.

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Define the following term.

Chemical equation

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What do you understand by a chemical equation?

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State whether the following statement is True or False. Correct the false statement.

A chemical reaction is always represented using chemical formulae and symbols.

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State whether the following statement is True or False. Correct the false statement.

The reactants and products are separated by an arrow.

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State whether the following statement is True or False. Correct the false statement.

In a chemical equation, the reactants of a chemical reaction are written on the left-hand side.

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Which sign is used to indicate the direction of a chemical reaction?