EASY
10th Chhattisgarh Board
IMPORTANT
Earn 100

What will be the colour of methyl orange in dilute sulphuric acid? 

Important Questions on Acids, Bases and Salts

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Why are copper and aluminium containers not used to store pickles?
MEDIUM
10th Chhattisgarh Board
IMPORTANT

While eating a midday meal, some sabzi fell on Kusum's clothes. She went home and rubbed some soap on the spot which turned red. Can you give the reason for the change in colour? 

HARD
10th Chhattisgarh Board
IMPORTANT

Suresh is a visually disabled student. Which indicators can he use to identify acids and bases? Give two examples. 

MEDIUM
10th Chhattisgarh Board
IMPORTANT

Explain the reaction between metals and dilute hydrochloric acids with the help of an example. 

HARD
10th Chhattisgarh Board
IMPORTANT

Write the balanced chemical equation of the reaction between calcium hydrogen carbonate and hydrochloric acid. 

HARD
10th Chhattisgarh Board
IMPORTANT
Give an example to show that non-metal oxides are acidic in nature. 
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Identify acids from the given compounds - HNO3, Na2CO3, Ca(OH)2, HCl
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Sulphuric acid is a strong acid while ammonium hydroxide is a weak base. Explain.