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gas is liberated when bisulphites and sulphites are decomposed by dilute acids.

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Important Questions on Acids, Bases and Salts

EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
The chemical is used in fire extinguishers.
EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids

State one observation for the following:

A small piece of zinc is added to dilute hydrochloric acid.

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Science>Chemistry>Acids, Bases and Salts>Properties of Acids

State one relevant observation for of the following:

Lead nitrate solution is mixed with dilute hydrochloric acid and heated.

HARD
Science>Chemistry>Acids, Bases and Salts>Properties of Acids

Write a balanced chemical equation for the following:

  • The reaction of carbon powder and concentrated nitric acid.
EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
What happens when dilute Hydrochloric acid is added to iron filings?
EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
What will be the products when an acid reacts with metals?
HARD
Science>Chemistry>Acids, Bases and Salts>Properties of Acids

State one relevant reason for the following:

  • Concentrated nitric acid appears yellow when it is left for a while in a glass bottle.
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
A solution reacts with crushed eggshells to give a gas that turns lime-water milky. The solution contains
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
A solution reacts with crushed egg cells to give a gas that turns lime water milky. The solution contains-
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
A student dropped some pieces of marble in dilute HCI in a test tube. The gas evolved was passed through limewater. What change would be observed in limewater?
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains:
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
On adding sodium bicarbonate to acetic acid, you immediately
EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
When magnesium and hydrochloric acid react, they produce
EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
Most of the metals combine with acids
EASY
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
When magnesium and hydrochloric acid react, they produce
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Properties of Acids
Why should curd and sour substances not be kept in _____ vessels?
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
Which gas is liberated when HCl reacts with Na2CO3 ?
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
When sodium or potassium nitrate is heated with concentrated sulphuric acid, vapours of _____ acid are evolved.
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids
A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contains.
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Science>Chemistry>Acids, Bases and Salts>Properties of Acids

Sodium hydrogen carbonate when added to acetic acid, evolves a gas. Which of the following statements are true about the gas evolved?

(i) It turns lime water milky.

(ii) It extinguishes a burning splinter.

(iii) It dissolves in a solution of sodium hydroxide.

(iv) It has a pungent order.