EASY
7th CBSE
IMPORTANT
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Acids corrode metals.

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Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q D
Distilled water is a neutral substance.
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q D
Antacid tablets contain milk of magnesia.
EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q D
Sodium hydroxide turns blue litmus red.
EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q D
The stings of bee contains an acid.
HARD
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q E

Complete the following.
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MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q F

Solve the following crossword puzzle.

Across

2. Bases which are soluble in water

4. This indicator is also used as a spice

5. It is a substance which is neither acidic nor basic

Down

1. It is used to treat acidity in humans

3. It is the most common indicator

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EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q A
What are alkalis?
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q A
Name two mineral acids.