MEDIUM
7th CBSE
IMPORTANT
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Turmeric is in acidic solutions. (yellow / red)

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Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
If you are a manufacturer of soap, which base would you require? (Calcium hydroxide/ Magnesium hydroxide/ Sodium hydroxide)
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
Which base will you take as medicine, if you are having a stomachache due to indigestion? Write its chemical name.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
A salt is formed when a metal displaces hydrogen from an acid.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
What is the colour of litmus paper in an alkali?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
What is an acid-base indicator? Give one example.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
Name one each of acidic, basic and neutral substances.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
What happens when dilute sulphuric acid is added to zinc?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
How can carbon dioxide be prepared from an acid?