EASY
7th CBSE
IMPORTANT
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Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water.

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Important Questions on Acids, Bases And Salts

EASY
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 6
Indicator is a substance which shows different colours in acidic and basic solutions.
EASY
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 6
Tooth decay is caused by the presence of a base.
EASY
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 7
Dorji has a few bottles of soft drinks in his restaurant. But, unfortunately, these are not labelled. He has to serve the drinks on the demand of customers. One customer wants an acidic drink, another wants a basic and the third one wants a neutral drink. How will Dorji decide which drink is to be served to whom?
MEDIUM
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 8
Explain why an antacid tablet is taken when you suffer from acidity.
MEDIUM
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 8
Explain why calamine solution is applied on the skin when an ant bites.
MEDIUM
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 8
Explain why factory waste is neutralised before disposing it into the water bodies.
HARD
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 9
Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only turmeric indicator.
MEDIUM
7th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 1 - Acids, Bases And Salts>NCERT Section>Q 10
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.