📍ACID, BASES AND SALTS

GENERAL-SCIENCE

ACID, BASES AND SALTS

"Dependable site, trusted sources, as stable as a noble gas."

1 / 10

Category: GENERAL-SCIENCE

1)

What happens when acids react with metals?

1) Produce hydrogen gas

2) Produce carbon dioxide gas

3) Produce oxygen gas

4) Produce nitrogen gas

2 / 10

Category: GENERAL-SCIENCE

2)

Which of the following acids is found in vinegar?

1) Lactic acid

2) Tartaric acid

3) Citric acid

4) Acetic acid

3 / 10

Category: GENERAL-SCIENCE

3)

Which of the following substances can act as both an acid and a base?

1) HCl

2) NaOH

3) H2O

4) NaCl

4 / 10

Category: GENERAL-SCIENCE

4)

What is produced when an acid reacts with a base?

1) Water only

2) Salt only

3) Salt and water

4) Carbon dioxide

5 / 10

Category: GENERAL-SCIENCE

5)

Which of the following is a characteristic of bases?

1) Sour taste

2) Slippery feel

3) Turns red litmus blue

4) Both b and c

6 / 10

Category: GENERAL-SCIENCE

6)

What color does litmus paper turn in an acidic solution?

1) Blue

2) Red

3) Green

4) Yellow

7 / 10

Category: GENERAL-SCIENCE

7)

Which of the following is an example of a salt?

1) NaCl

2) HCl

3) H2O

4) NH3

8 / 10

Category: GENERAL-SCIENCE

8)

What is the pH of a neutral solution?

1) 0

2) 7

3) 14

4) 4

9 / 10

Category: GENERAL-SCIENCE

9)

Which of the following is a base?

1) HCl

2) HNO3

3) NaOH

4) H2SO4

10 / 10

Category: GENERAL-SCIENCE

10)

Which of the following is a strong acid?

1) Acetic acid

2) Hydrochloric acid

3) Citric acid

4) Formic acid

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EXAMGK.IN

2025
INDIA'S NO. 1 EDUCATIONAL PORTAL FOR GOVERNMENT EXAMS

📍ACID, BASES AND SALTS

“Dependable site, trusted sources, as stable as a noble gas.”

"Dependable site, trusted sources, as stable as a noble gas."

What happens when acids react with metals?

Explanation: Acids react with certain metals to produce hydrogen gas and a salt. For example, hydrochloric acid reacts with zinc to produce hydrogen gas and zinc chloride.

Which of the following acids is found in vinegar?

Explanation: Acetic acid (CH3COOH) is the main component of vinegar, giving it its characteristic sour taste and smell.

Which of the following substances can act as both an acid and a base?

Explanation: Water (H2O) is amphoteric, meaning it can act as both an acid and a base depending on the reaction environment.

What is produced when an acid reacts with a base?

Explanation: An acid reacts with a base in a neutralization reaction to produce salt and water.

Which of the following is a characteristic of bases?

Explanation: Bases have a slippery feel and turn red litmus paper blue due to the presence of hydroxide ions (OH-).

What color does litmus paper turn in an acidic solution?

Explanation: Litmus paper turns red in acidic solutions due to the presence of hydrogen ions (H+) which cause a chemical reaction with the dye.

Which of the following is an example of a salt?

Explanation: Sodium chloride (NaCl) is a salt formed by the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)

What is the pH of a neutral solution?

Explanation: A neutral solution has a pH of 7, indicating a balance between hydrogen ions (H+) and hydroxide ions (OH-) in the solution.

Which of the following is a base?

Explanation: Sodium hydroxide (NaOH) is a base because it dissociates in water to produce hydroxide ions (OH-), which can neutralize acids.

Which of the following is a strong acid?

Explanation: Hydrochloric acid (HCl) is a strong acid because it completely ionizes in water, releasing all its hydrogen ions (H+).

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examgk.in

© 2025 . All Rights Reserved.

EXAMGK.IN

2025INDIA'S NO. 1 EDUCATIONAL PORTAL FOR GOVERNMENT EXAMS

📍ACID, BASES AND SALTS

“Dependable site, trusted sources, as stable as a noble gas.”

"Dependable site, trusted sources, as stable as a noble gas."

What happens when acids react with metals?

Explanation: Acids react with certain metals to produce hydrogen gas and a salt. For example, hydrochloric acid reacts with zinc to produce hydrogen gas and zinc chloride.

Which of the following acids is found in vinegar?

Explanation: Acetic acid (CH3COOH) is the main component of vinegar, giving it its characteristic sour taste and smell.

Which of the following substances can act as both an acid and a base?

Explanation: Water (H2O) is amphoteric, meaning it can act as both an acid and a base depending on the reaction environment.

What is produced when an acid reacts with a base?

Explanation: An acid reacts with a base in a neutralization reaction to produce salt and water.

Which of the following is a characteristic of bases?

Explanation: Bases have a slippery feel and turn red litmus paper blue due to the presence of hydroxide ions (OH-).

What color does litmus paper turn in an acidic solution?

Explanation: Litmus paper turns red in acidic solutions due to the presence of hydrogen ions (H+) which cause a chemical reaction with the dye.

Which of the following is an example of a salt?

Explanation: Sodium chloride (NaCl) is a salt formed by the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)

What is the pH of a neutral solution?

Explanation: A neutral solution has a pH of 7, indicating a balance between hydrogen ions (H+) and hydroxide ions (OH-) in the solution.

Which of the following is a base?

Explanation: Sodium hydroxide (NaOH) is a base because it dissociates in water to produce hydroxide ions (OH-), which can neutralize acids.

Which of the following is a strong acid?

Explanation: Hydrochloric acid (HCl) is a strong acid because it completely ionizes in water, releasing all its hydrogen ions (H+).

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COPYRIGHT

examgk.in

© 2025 . All Rights Reserved.

2025
INDIA'S NO. 1 EDUCATIONAL PORTAL FOR GOVERNMENT EXAMS