HARD
7th CBSE
IMPORTANT
Earn 100

You are given equal quantities of two liquids in beakers. You are told that one of them is a strong acid and the other is a weak acid. Both are in concentrated form. You are also given a basic solution and an indicator. How will you determine which beaker has a strong acid and which has a weak acid?

Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 1
Acids are sour–can you name two acids that you can actually eat to enjoy the sour taste?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 2
Why are acids not stored in metal containers?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 3

Name two substances that have different colours in acidic and basic solutions. What is the general name for such substances?

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 4
In which reaction of acids is their acidic nature cancelled out to produce a neutral substance? What is the neutral substance called?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 5
Acids are either mineral or organic - what is the difference between the two? 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 1
All alkalis are bases but all bases are not alkalis. Why?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 2
Due to the overuse of chemical fertilisers, the soil in a farm has become acidic and crop yields have dropped. What remedial action will you recommend to the farmer?
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 3
Name the base used in the manufacture of soap. (Caustic soda / Lime water / Milk of magnesia)