Which acid does a bee sting contain?

Important Questions on Acids, Bases and Salts

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 6

Which substance is added to an acidic soil to neutralise it?

EASY

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 1

What are mineral acids?

HARD

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 2

In which medium will acidic or basic phenolphthalein change its colour and why?

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 3

What colour change is observed when litmus paper is dipped in table salt solution?

EASY

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 4

Why does toothpaste have a base ingredients.

EASY

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 5

How does milk of magnesia soothe acidity in the stomach?

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 1

Differentiate between strong and weak acids.

HARD

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Chapter Review>Q 2

What are indicators? Name any three indicators and state the colour change which takes place in (i) acids (ii) bases.