MEDIUM
7th Punjab Board
IMPORTANT
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Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?

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Important Questions on Acids, Bases and Salts

MEDIUM
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 3
Name the source from which litmus solution is obtained. What is the use of this solution?
MEDIUM
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 4
Is the distilled water acidic/basic/neutral? How would you verify it?
MEDIUM
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 5
Describe the process of neutralization with the help of an example.
EASY
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 6
Nitric acid turns red litmus blue.
EASY
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 6
Sodium hydroxide turns blue litmus red.
EASY
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 6
Sodium hydroxide and hydrochloric acid neutralize each other and form salt and water.
EASY
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 6
Indicator is a substance which shows different colors in acidic and basic solutions.
EASY
7th Punjab Board
IMPORTANT
Science>Chapter 5 - Acids, Bases and Salts>Exercises>Q 6
Tooth decay is caused by the presence of a base.