Neutralisation in Daily Life

Q.

The reaction of an acid with a base is:

1. Endothermic reaction

2. Exothermic reaction

3. Neutralization reaction

4. Can’t be said

Q.

What is an antacid? Name two commonly used antacids. How does an antacid work?

Q.

Calamine solution is applied on the skin when an ant bites because the solution is basic in nature.

1. True

2. False

Q. When an acid reacts with a base, the temperature of the surroundings .

1. increase
2. decrease
3. does not change

Q.

Which of the following is the product of neutralization reaction?

1. Acid

2. Base

3. Salt

4. None of the above

Q.

Question 8 (b)
Explain why:
(b) Calamine solution is applied on the skin when an ant bites.

Q. What are the properties of acids, bases and salts?

Q.

• Q1 What are the products formed in a neutralisation reaaction with the help of an activity.

Q.

Question 8 (c)
Explain why:
(c) Factory waste is neutralised before disposing it into the water bodies.

Q.

Factory waste is neutralised before disposing into the water bodies.

1. True

2. False

Q.

Paheli is suffering from indigestion due to acidity. Is it advisable to give her orange juice in this situation and why?

Q.

An antacid tablet contains ___.(choose from acid, base and salt)

Q.

Acidity is caused when the amount of hydrochloric acid in the stomach ________ .

1. decreases

2. increases

3. remains same

4. first increases then decreases

Q. Rohan is suffering from acid reflux. Which of the following substances can he consume to get relief?

1. Aerated drink
2. Tomato juice
3. Orange juice
4. Baking soda solution

Q.

Question 10

How can a farmer convert acidic soil to neutral soil?

Q.

Question 17

Form a sentence using the following words – baking soda, ant bite, moist, effect, neutralised, rubbing.

Q.

You have hydrochloric acid in a beaker and you want to perform the experiment of neutralization, so which among the following will you use?

1. $NaOH$

2. $HN{O}_3$

3. $H_{2}S{O}_4$

4. $Ca(OH{)}_2$

Q. Why do you think the sting of a wasp is treated using vinegar?

Q.

What is the chemical formula for ANTACID , which is a base ?

Q. In a neutralisation reaction, and water are formed.

1. acid
2. base
3. salt

Q.

Acid and base react to form salt and water.

Say True or False.

1. True

2. False

Q. The major constituent of an antacid tablet is a/an

1. acid
2. base
3. salt

Q. What is neutralisation.?1 mark question

Q. An acid and a base neutralise each other to form:

1. salt along with hydrogen gas.
2. salt along with water.
3. salt along with oxygen gas.
4. salt along with acid.

Q.

Factory waste is neutralised with an acid before disposing it into the water bodies.

1. True

2. False

Q.

Mixing an acid and base results in an exothermic reaction.

1. True
2. False

Q.

When an acid reacts with a base, what happens to the temperature of the surroundings?

1. does not changes

2. can’t be said

3. increases

4. decreases

Q.

Question 12

Look at the given reaction.
Hydrochloric acid + Sodium hydroxide (base) $⟹$ Sodium chloride (salt) +Water
Sodium chloride formed in this reaction remains in solution form. Can we get solid sodium chloride from the solution? Suggest a method (if any).

Q.

Explain the process of neutralization reaction with the help of an example? [5 MARKS]

Q.

Acids and bases react to form salt and water.

1. True

2. False