Question
What is a chemical change?
Give two examples of chemical changes.
Give two examples of chemical changes.
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Complete the Table on the basis of information available in the symbols given below:
$^{35}_{17}\text{Cl}$
$^{12}_{6}\text{C}$
$^{81}_{35}\text{Br}$
| Element | np | nn |
Explain why, a wide steel belt is provided over the wheels of an army tank.

A wide steel belt is provided over the wheels of an army tank.