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Question

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Which one of the following are the correct observations about acetic acid.

It turns blue litmus red and smells like vinegar

It turns blue litmus red and smells like burning sulpur

It turns red litmus blue and smells like vinegar

It turns red litmus blue and has a fruity smell

Solution

A.

It turns blue litmus red and smells like vinegar

Some More Questions From Control and Coordination Chapter

How do metals react with bases?

What is a neutralization reaction? Give some examples.

What are non-metallic oxides? Substantiate your answer.

Take 5 ml hydrochloric acid in a boiling tube or a conical flask. Add a few pieces of zinc granules to it.

(a) What do you observe on the surface of zinc granules?
(b) Name the gas evolved.
(c) What happens when the above gas is passed through soap solution?
(d) What happens when a burning candle is brought near the gas filled tube?

Name four acids and bases. Write their formulae.

Name the various kind of oxides and mention their properties.

What are acids? How are they produced?

Mention important characteristics of acids.

Why the vessels of copper and brass need ‘Kalai’?

How can you test the presence of an acid in any substance?

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