Balanced and Unbalanced Chemical Equation
Balanced and Unbalanced Chemical Equation
Balancing an Equation
1) Count the number of atoms of each element on the both sides of equations for example. Magnesium burns in oxygen to give magnesium oxide.
|
Element |
No. of atoms in LHS |
No. of atoms in RHS |
|
Mg |
1 |
1 |
|
O |
2 |
1 |
2. To balance oxygen on both sides, multiply RHS by 2 i.e.
3. Now oxygen atom is balanced but number of magnesium atom is not therefore multiply on the LHS by 2.
Consider reaction: | |||
| Right Option : A | |||
| View Explanation | |||
Chemical equations can be made more ____________________ if we use chemical formulae of reactants and products instead of words. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following is a balanced chemical equation for the following word-equation? Sodium + water | |||
| Right Option : B | |||
| View Explanation | |||
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