CBSE Class 11 Chemistry Determination of PH Worksheet

Official Class 11 Chemistry Worksheets: Determination of PH

Access printable practice worksheets for Determination of PH designed to align with the 2026-27 academic syllabus for Class 11 Chemistry. These structured exercises help students evaluate their conceptual understanding and improve exam readiness.

Chapter-wise Practice Material: Determination of PH

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DETERMINATION OF pH
 
Aim: - To determine the pH of various samples of acids, bases, salts and fruit juices using pH paper.

Materials required: - Test tubes, glass rod, watch glass, different samples, pH paperetc
 
Theory: -
 
pH is the measurement of the hydrogen ion concentration. pH is defined as the negative logarithm of hydrogen ion concentration.
CBSE Class 11 Chemistry Determination of PH Worksheet 1
 
If the hydrogen ion concentration is very high, the pH value is very low.Substances with pH lower than 7 are acidic, those with pH equal to 7 are neutral and those with pH greater than 7 are basic in nature.
 
Procedure:- Determination of pH using pH Paper
 
• Take a pH paper strip and place it on a clean watch glass.
• Pour a drop of the sample on the pH paper using a clean glass rod/dropper.
• Observe and compare the color obtained on the pH paper with the different colour shades of the standard color pH chart and record the pH value in the observation table.
• Similarly, find the pH of the remaining samples using a fresh strip of pH paper and a clean glass rod/ dropper for each sample and record your observations.
 
Observations

CBSE Class 11 Chemistry Determination of PH Worksheet 2
CBSE Class 11 Chemistry Determination of PH Worksheet 3
 
 
Precautions
 
•  Use only the standard color pH chart supplied with the pH paper for assessing the pH value.
•  Keep the pH strips away from chemical fumes.
•  Either use fresh fine dropper or glass rod for each different sample, or wash the dropper or glass rod well with water every time.
•  To correctly view the color produced on the pH paper, keep the pH paper on a white tile/white background while performing the experiment.
 
Result
 
The pH of various samples are


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Practice Worksheet and Study Resources for Class 11 Chemistry Determination of PH

CBSE Practice Material: Class 11 Chemistry Determination of PH

Access structured practice worksheets for Determination of PH designed in alignment with the latest CBSE curriculum for Class 11 Chemistry. These printable problem sets help students build accuracy and prepare effectively for school tests.

NCERT-Aligned Questions and Solutions

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Are these Chemistry Class 11 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 11 Chemistry Determination of PH Worksheet includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.

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Daily practice with these Chemistry worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 11 students get more marks in CBSE exams.

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