EASY
10th CBSE
IMPORTANT
Earn 100

The colour of pH strip turned red when it was dipped in a sample. The sample could be :

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Important Questions on Acids, Bases and Salts

EASY
10th CBSE
IMPORTANT
Identify the colour change in pH paper when a drop of a sample; which has pH 14 in standard pH colour chart is placed on it :
EASY
10th CBSE
IMPORTANT
Some drops of acetic acid are poured over a pH paper. The colour produced on the paper will be
EASY
10th CBSE
IMPORTANT
On adding methyl orange to a solution 'A' it imparts a pink colour and on adding it to solution 'B' a yellow colour is obtained, A and B solutions are respectively :
HARD
10th CBSE
IMPORTANT
The pH value of a sample of hydrochloric acid is 2. pH value of this sample when diluted by adding water will be:
EASY
10th CBSE
IMPORTANT
If HCl is added to distilled water, the pH of new solution will be : 
EASY
10th CBSE
IMPORTANT
When a few drops of universal indicator were added to a dilute solution of HCl, it is observed that the colour of the solution changes from:
HARD
10th CBSE
IMPORTANT
A student added a drop of universal indicator to 1 ml of the given solution and found that a green colour is produced. pH value of the solution will be in the range of :