A solution reacts with crushed egg-shells to give a gas that turns lime water milky. The solution contains
$NaCl$
$LiCl$
$KCl$
$HCl$
The solution contains $HCl$.
A solution turns red litmus blue, its $pH$ is likely to be
Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas ?
What will happen if a solution of sodium hydrocarbonate is heated ? Give the equation of the reaction involved.
What is a neutralisation reaction? Give two examples.
Which one of the following types of medicines is used for treating indigestion ?
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