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10th CBSE
IMPORTANT
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Onion and vanilla extracts are indicators.

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Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 16
What is an indicator? Name three common indicators.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 16
Name the acid-base indicator extracted from lichen. (Phenolphthalein / Litmus / Turmeric)
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 16
What colour does the turmeric paper turn when put in an alkaline solution?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 17
What is an olfactory indicator? Name two olfactory indicators. What is the effect of adding sodium hydroxide solution to these olfactory indicators?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 18
What happens when an acid reacts with a metal? Give the chemical equation of the reaction involved.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 18
Which gas is usually liberated when an acid reacts with a metal? How will you test for the presence of this gas?
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 19
While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Short Answer Type Questions>Q 20
What happens when an acid reacts with a metal hydrogen carbonate? Write equation of the reaction which takes place.