EASY
10th CBSE
IMPORTANT
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Some drops of acetic acid are poured over a pH paper. The colour produced on the paper will be

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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 1
The natural indicator is:
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 :
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 : 
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: 

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EASY
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 86
The products of reaction between zinc and sodium hydroxide solution are : 
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 2 - Acids, Bases and Salts>Value Based Questions>Q 87
A student was given a solution to find its pH. His teacher declared his recorded pH as wrong. Student explained to his teacher, all the steps done by him while finding pH of sample. Mark the step taken by student in which he committed mistake.