MEDIUM
7th CBSE
IMPORTANT
Earn 100

Excess of which acid in the stomach causes 'acidity'? How can this be corrected?

Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 1
All acids contain hydrogen. What happens if you replace this hydrogen with a metal?
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 2
Which compounds are formed when an acid reacts with a base?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 3
Which acids are these salts obtained from?
a. nitrates
b. carbonates
c. chlorides
d. sulphates
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>ORAL QUESTIONS>Q 4
Is the 'baking soda' used in baking bread and cake an acid, a base or a salt? What is its chemical name and formula?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q A
Which of the following is not an acid-base indicator?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q A
Which of the following is a strong acid?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q A
Which of the following is not a base?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q A
Which of these metals cannot be used to prepare hydrogen by the action of an acid?