Chemical equations

IMPORTANT

Chemical equations: Overview

This topic explains chemical equations and the method to write them. It helps us understand the differences between balanced and unbalanced equations. Ionic equations along with the way to balance them are also explained here.

Important Questions on Chemical equations

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IMPORTANT

Select whether the following statement is true or false, regarding steps for writing a chemical equation:

In a chemical equation, the total number of atoms of each element on the left side and right side of the arrow must be the same.

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Select which of the following statements is correct regarding steps for writing a chemical equation:

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Select whether the following statement is true or false regarding the steps for writing a chemical equation:

In a chemical equation, a compound is written by giving its chemical formula, which lists the symbols of the constituent elements and uses the subscript to indicate the number of atoms of each element present in the compound.

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Select the correct steps that are used in the case of writing a chemical equation.

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Select whether the following statement is true or false, regarding chemical reactions:

The products are written on the left side of the arrow, in a chemical reaction.

 

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Define what is product in a chemical reaction. 

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CaO + H2O Ca(OH)2

Select whether the following statement is true or false, regarding the above equation:

Calcium hydroxide is the product in the given chemical equation.

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Select the product(s) that is/are present in the following reaction:

CaO + H2O Ca(OH)2

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Select whether the following statement is true or false, regarding chemical reactions:

The reactants are written on the right side of the arrow, in a chemical reaction.

 

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Define what is reactant in a chemical reaction. 

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CaO + H2O Ca(OH)2

Select whether the following statement is true or false, regarding the above equation:

Calcium hydroxide is the reactant in the given chemical equation.

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Select the reactant(s) that is/are present in the following reaction:

CaO + H2O Ca(OH)2

HARD
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CuSO4 + 2NaOHNa2SO4+CuOH2

From the above equation, identify the products and the reactants. What does the symbol "" represent.

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Describe any three characteristics of chemical equation.

MEDIUM
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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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IMPORTANT

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.