Question

You saw the reaction between carbon dioxid
(lime water) in Activity 2.5. Calcium hydroxide, which
with carbon dioxide to produce a salt and water. Since
the reaction between a base and an acid, we can con
metallic oxides are acidic in nature.
QUESTIONS
Why should curd and sour substances not be kept in brass and copper
vessels?
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?
Metal compound A reacts with dilute hydrochloric acid to produce
effervescence. The gas evolved extinguishes a burning candle. Write a
balanced chemical equation for the reaction if one of the compounds
formed is calcium chloride.​

Answer 1

Answer:

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