EASY
7th CBSE
IMPORTANT
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Phenolphthalein is a indicator. (natural/ synthetic)

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Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q F

_____ acid is present in vinegar.

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q G

Name two bases.

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q G

What is the colour of the phenolphthalein indicator?

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q G

Which acid is produced in our stomach?

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q H

Why do curd, lemon juice, and tamarind taste sour?

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q H

How will you test whether a given solution is acidic, basic or neutral with a litmus paper?

MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q H

What happens in the stomach when we eat very spicy food?

MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 5 - Acids, Bases and Salts>Exercise>Q H

How will you test whether a given solution is acidic, basic or neutral with china rose indicator?