Some drops of acetic acid are poured over a pH paper. The colour produced on the paper will be

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 79

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 :

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 80

Quick lime is a :

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 81

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

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 82

If

HCl

is added to distilled water, the pH of new solution will be :

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 83

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

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 84

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 :

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 85

A student was provided with four samples of solutions as shown in figures (I), (Il), (Ill), and (IV). He determined pH value of each solution by using pH paper. The correct sequence of colour change of pH paper observed by the student will be:

Question Image