CBSE Class 10 Chemistry Determination of pH Worksheet

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Determination of pH Science Worksheet for Class 10

Class 10 Science students should refer to the following printable worksheet in Pdf in Class 10. This test paper with questions and solutions for Class 10 Science will be very useful for tests and exams and help you to score better marks

Class 10 Science Determination of pH Worksheet Pdf

 

DETERMINATION OF pH
 Experime nt No: …3…
 
• Objective: To find the pH of DilHCl, Dil. NaOH, Dil. Acetic Acid, Lemon Juice, Water and Dil. NaHCO3 solution, using pH paper (or Universal Indicator).
 
• Requirements: strips of pH paper, test tubes, standard pH reference chart, and various samples
 
• Procedure: Take 1 ml of the given sample in a test tube. Dip a piece of pH paper into it. Note the colour change and compare the same with the colour chart given to find the pH of the solution. Record your observations in the table given below. Repeat the experiment with other samples also and record your observations
 
CBSE Class 10 Chemistry Determination of pH Worksheet 1

pH/Universal Indicator Colour Reference Table

CBSE Class 10 Chemistry Determination of pH Worksheet 2

 
Precautions:
 
1. Use good quality pH paper
 
2. Rinse the test tubes and dropper with distilled water only.
 
3. Compare the pH of the given sample with distilled water.
 
  Questions:
 
1. What do you understand by the term pH of a solution?
 
2. If some amount of HCl acid is added to pure water, what happens to:
 
a. Concentration of H+ ions?
 
b. pH of the solution?
 
c. Ionic product
 
3. If some NaOH flakes are added to pure water, what happens to:
 
a. Concentration of H+ ions?
 
b. pH of the solution?
 
c. Ionic product
 
4. The pH of solutions A, B and C are 3, 7 and 10 respectively. Which solution is (a) acidic, (b) basic and (c) neutral?
 
5. What colour change to pH paper you would observe when it is dipped in highly acidic solution, highly alkaline solution, distilled water and weakly acidic and alkaline solutions
 
6. What is the importance of pH in agriculture?
 
7. Identify the colour of a strip of pH paper dipped in:
 
a. Lemon juice: (Reddish, yellowish or greenish)
 
b. Ammonia solution: (Reddish, yellowish or greenish)
 
c. Distilled water: (Reddish, yellowish or greenish)
 
  Multiple choice questions
 
1. Which one of the following is not needed to find the pH of a solution?
 
a) pH paper
 
b) Litmus paper
 
c) Universal indicator
 
d) Standard pH value chart
 
2. A drop of a liquid sample was put on the pH paper. The colour of the paper turned blue. The liquid sample could be that of
 
a) Lemon juice
 
b) HCl
 
c) NaHCO3
 
d) Acetic acid
 
3. A few drops of liquid X were added to distilled water. It was observed that pH of the water decreased. The liquid X is
 
a) Lemon juice
 
b) Sugar solution
 
c) Common salt solution
 
d) Baking soda solution
 
4. A student was provided with a pH chart by the teacher and asked to observe the colours corresponding to pH 1 and 14 respectively. The correct answer would be
 
a) Yellow, green
 
b) Violet, orange
 
c) Red , blue
 
d) Blue, orange
 
5. What is the correct strategy to measure the pH of a colourless solution in the lab?
 
a) Use a red litmus paper
 
b) Use a blue litmus paper
 
c) Use universal indicator
 
d) Use methyl orange
 
6. If HCl is added to distilled water the pH of new solution will be
 
a) > than 7
 
b) < than 7
 
c) 7
 
d) 0
 
7. Identify the colour change in pH paper when a drop of a sample which has a pH 14 in standard pH chart is placed on it.
 
a) Red
 
b) Yellow
 
c) Blue
 
d) green

 

Please click on below link to download CBSE Class 10 Chemistry Determination of pH Worksheet

Chapter 06 Life Processes
CBSE Class 10 Biology Excretion Set A
CBSE Class 10 Biology Excretion Set B
CBSE Class 10 Biology Excretion Set C
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set A
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition In Animals Worksheet
CBSE Class 10 Biology Life Processes Nutrition In Plants Worksheet
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set A
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set C
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set D
CBSE Class 10 Biology Life Processes Reference Materials Worksheet
CBSE Class 10 Biology Life Processes Respiration In Animals Worksheet
CBSE Class 10 Biology Life Processes Respiration Worksheet Set A
CBSE Class 10 Biology Life Processes Respiration Worksheet Set B
CBSE Class 10 Biology Life Processes Respiration Worksheet Set C
CBSE Class 10 Biology Life Processes Respiration Worksheet Set D
CBSE Class 10 Biology Life Processes Transporation Worksheet Set A
CBSE Class 10 Biology Life Processes Transporation Worksheet Set B
CBSE Class 10 Biology Life Processes Transporation Worksheet Set C
CBSE Class 10 Biology Life Processes Transporation Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet
CBSE Class 10 Biology Life Processes Worksheet Set A
CBSE Class 10 Biology Life Processes Worksheet Set B
CBSE Class 10 Biology Life Processes Worksheet Set C
CBSE Class 10 Biology Life Processes Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet Set E
Chapter 09 Heredity and Evolution
CBSE Class 10 Biology Heredity And Evolution Set D
Chapter 13 Magnetic Effects of Electric Current
CBSE Class 10 Physics Magnetic Effects of Electric Current Worksheet Set E

Determination of pH CBSE Class 10 Science Worksheet

The above practice worksheet for Determination of pH has been designed as per the current syllabus for Class 10 Science released by CBSE. Students studying in Class 10 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 10 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science 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 10 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 10 Science to develop the Science Class 10 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 10 Science designed by our teachers. After solving these you should also refer to Class 10 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 10 Science which you can use to further make yourself better in Science.

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