Acids, Bases, and Salts: Class 10 Concepts

Question 1

Which of the following describes a typical acid?

Accepted Answer

Turns blue litmus paper red

Answer

Tastes bitter and feels slippery

Answer

Has a pH value greater than 7

Answer

Reacts with acids to form salt and water

Question 2

What is a characteristic property of a base?

Accepted Answer

Turns red litmus paper blue

Answer

Tastes sour

Answer

Has a pH value less than 7

Answer

Produces hydrogen ions in solution

Question 3

What are the products of a neutralization reaction between an acid and a base?

Accepted Answer

Salt and water

Answer

Acid and water

Answer

Base and salt

Answer

Acid and base

Question 4

A solution with a pH of 7 is considered:

Accepted Answer

Neutral

Answer

Acidic

Answer

Basic

Answer

Strongly acidic

Question 5

What color does red litmus paper turn when dipped into a basic solution?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

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