<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What are reversible and irreversible reactions?

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What is reversable reaction?

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What is a displacement reaction?

Q.

Represent $\frac{19}{8}$ on the number line.

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

Q.

Find the sum of multiplicative inverse of $\frac{5}{7}$ and additive inverse of $\frac{7}{5}$.

A. 1

B. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 0

C. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> -$\frac{25}{49}$ <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

D. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{25}{49}$ <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

Q.

Find 10 rational numbers between $\frac{-2}{5}$ and $\frac{1}{2}$ .

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->