CBSE Class 11 Chemistry Determination of PH Worksheet

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Determination of PH Chemistry Worksheet for Class 11

Class 11 Chemistry students should refer to the following printable worksheet in Pdf in Class 11. This test paper with questions and solutions for Class 11 Chemistry will be very useful for tests and exams and help you to score better marks

Class 11 Chemistry Determination of PH Worksheet Pdf

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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Determination of PH CBSE Class 11 Chemistry Worksheet

The above practice worksheet for Determination of PH has been designed as per the current syllabus for Class 11 Chemistry released by CBSE. Students studying in Class 11 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 11 Chemistry on a daily basis. All the latest practice worksheets with solutions have been developed for Chemistry by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 11 Chemistry students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 11 Chemistry to develop the Chemistry Class 11 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 11 Chemistry designed by our teachers. After solving these you should also refer to Class 11 Chemistry MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 11 Chemistry which you can use to further make yourself better in Chemistry.

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