What will happen if a solution of sodium hydrocarbonate is heated ? Give the equation of the reaction involved.
When a solution of sodium hydrocarbonate (sodium hydrogencarbonate) is heated, sodium carbonate and water are formed with the evolution of carbon dioxide gas.
$\underset{\begin{smallmatrix}
\,\,\,\,\,\,\,\,\,\,\,\text{Sodium} \\
\text{hydrogencarbonate}
\end{smallmatrix}}{\mathop{2NaHC{{O}_{3}}}}\,\xrightarrow{\Delta }\,$ $\underset{\begin{smallmatrix}
\text{Sodium} \\
\text{carbonate}
\end{smallmatrix}}{\mathop{N{{a}_{2}}C{{O}_{3}}}}\,\,+\underset{\text{Water}}{\mathop{{{H}_{2}}O}}\,\,+\,\underset{\begin{smallmatrix}
\text{Carbon} \\
\text{dioxide}
\end{smallmatrix}}{\mathop{C{{O}_{2}}}}\,\uparrow $
How is the concentration of hydroxide ions $(OH^-)$ affected when excess base is dissolved in a solution of sodium hydroxide ?
Fresh milk has a $pH$ of $6$. How do you think the $pH$ will change as it turns into curd ? Explain your answer.
Compounds such as alcohols and glucose also contain hydrogen but are not categorised as acids. Describe an Activity to prove it.
Give two important uses of washing soda and baking soda.
Why does dry $HCl$ gas not change the colour of the dry litmus paper ?