Is the wasp sting acidic or basic in nature?

Important Questions on Acids, Bases and Salts

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>Think and Discuss

We consume acids in the form of animal and plant products such as curd and citrus fruits. Acids are corrosive in nature. But curd and citrus fruits both are considered good for health. Why?

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q 1

What colour does methyl orange indicator turn when added to acid (such as hydrochloric acid)? (Red/ Pink/ Colourless)

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>EXERCISE>Q 1

What do acids taste like?

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>EXERCISE>Q 2

Which of the following is a strong acid?

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>EXERCISE>Q 3

Which gas is produced when an acid reacts with a metal? 

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>EXERCISE>Q 4

Which of the following turns red litmus blue?

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>EXERCISE>Q 5

What are the products formed during a neutralisation reaction?

EASY

7th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 6 - Acids, Bases and Salts>EXERCISE>Q 6

Which of the following is not a base?