EASY
10th CBSE
IMPORTANT
Earn 100

Why do acids not show acidic behaviour in the absence of water?

Important Questions on Acids, Bases And Salts

MEDIUM
10th CBSE
IMPORTANT

Five solutions A, B, C, D, and E when tested with universal indicator showed pH as 4, 1, 11, 7, and 9 respectively. Which solution is:

a neutral b strongly alkaline c strongly acidic d weakly acidic e weakly alkaline

EASY
10th CBSE
IMPORTANT
Five solutions A, B, C, D, and E when tested with universal indicator showed pH as 4, 1, 11, 7, and 9 respectively. Arrange the pH in the increasing order of hydrogen-ion concentration.
MEDIUM
10th CBSE
IMPORTANT
Equal lengths of of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid is added to test tube A, while acetic acid is added to test tube B. In which test tube will the fizzing occur more vigorously and why?
MEDIUM
10th CBSE
IMPORTANT
Fresh milk has a pH of 6. How do you thing the pH will change as it turns into curd?
EASY
10th CBSE
IMPORTANT
A milkman adds a few amounts of baking soda to fresh milk. Why does he shift the pH of the fresh milk from 6 to slightly alkaline?
EASY
10th CBSE
IMPORTANT
A milkman adds a few amounts of baking soda to fresh milk. Why does the milk take a long time to set as curd?
EASY
10th CBSE
IMPORTANT
Plaster of Paris should be stroed in moisture proof container. Explain why?
MEDIUM
10th CBSE
IMPORTANT
What is neutralisation reaction? Give two examples.