Uses of Acids and Bases

Q.

The acid present in curd/sour milk is:

1. Acetic acid

2. Formic acid

3. Lactic acid

4. Hydrochloric acid

Q. It is advisable to store pickles in glass container and not in iron container.

1. True
2. False

Q. Which of following acid is used in flavoured drinks?

1. Carbonic acid
2. Sulphuric acid
3. Boric acid
4. Oxalic acid

Q.

Is succinic acid the same as citric acid?

Q. Fire extinguishers contain _______.

1. carbonic acid
2. hydrochloric acid
3. aluminium hydroxide
4. calcium hydroxide

Q.

Give one important use of the following base: Potassium hydroxide

Q.

The acid used in batteries of cars and trucks is

1. nitric acid

2. sulphuric acid

3. hydrochloric acid

4. tartaric acid

Q.

Name the following:
A substance which gives yellow coloured complex compound with nitric acid.

Q. What is the aqua regia?

Q. Bases are used in:

1. manufaturing of shampoo
2. antacids
3. preparation of chloride salts
4. manufacturing of washing soap

Q. Acids are used in:

1. sterilisation of water
2. batteries
3. manufacturing of soap
4. making of white paper

Q. What is the aqua regia?

Q. What bases do to red cabbage solution?

1. Turns pink
2. Turns green
3. Turns blue
4. Turns red

Q. Magnesium carbonate was reacted with dilute hydrochloric acid in a conical flask.
The conical flask was placed on a balance and the mass of the conical flask and contents was
recorded as the reaction proceeded.
During the reaction, carbon dioxide gas was produced.
The reaction was done at two different temperatures.
Which row is correct?

1. Change in mass - decrease, temperature at which the mass changed more quickly - higher temperature
2. Change in mass - decrease, temperature at which the mass changed more quickly - lower temperature
3. Change in mass - increase, temperature at which the mass changed more quickly - higher temperature
4. Change in mass - increase, temperature at which the mass changed more quickly - lower temperature

Q. Statement I: Acid rain can cause damage to buildings.

Statement II: Acid rain contains nitric acid, sulphuric acid, etc.

1. Only Statement I is true
2. Only Statement II is true
3. Both statements are true
4. Both statements are false

Q. Which is base and not alkali?

1. $N{H}_{4}OH$
2. $Fe(OH{)}_3$
3. $NaOH$
4. $KOH$

Q.

Which of the following is most suitable for the growth of plants?

1. Acidic soil

2. Basic soil

3. Can't say

4. Neutral soil