Examples of Acids,Bases

Q. Explain strong and weak acids with suitable examples.

Q.

Explain why an antacid tablet is taken when one suffers from acidity? [3 MARKS]

Q. What is the molecular formula of Marshall's acid?

1. $H_{2}S{O}_5$
2. $H_2{S}_2{O}_8$
3. $H_{2}S{O}_4$
4. $H_2{S}_2{O}_7$

Q. Lemons and vinegar are acidic in nature. They taste .

1. bitter
2. sour
3. salty

Q. The type of medicine used to treat indigestion is a/an __________.

1. antihistamine
2. sulpha drug
3. antacid
4. antibiotic

Q. Which acid is present in an ant sting?

1. Sulphuric Acid
2. Hydrochloric acid
3. Formic acid
4. Acetic acid

Q. The tribasic acid is :

1. $H_{3}P{O}_4$
2. $H_{3}P{O}_3$
3. $H_{3}P{O}_2$
4. $HP{O}_3$

Q. Thiosulphuric acid is _____________.

1. $H_2{S}_2{O}_3$
2. $H_2{S}_2{O}_7$
3. $H_{2}S{O}_5$
4. $H_{2}S{O}_4$

Q. Which of the following acid is present in sour milk?

1. Glycolic acid
2. Tartaric acid
3. Lactic acid
4. Citrus acid

Q. Which acid is present in sting of red ant?

Q. When bitten by an ant, the sting causes irritation due to the presence of _________ in the sting.

1. a base in the sting.
2. formic acid in the sting.
3. poisonous chemicals in the sting.
4. Both (a) and (b)

Q.

Which of the following are mineral acids?

1. Sulphuric acid

2. Oxalic acid

3. Citric acid

4. Lactic acid