CBSE Class 10 Chemistry Practical Worksheet Set B

Read and download free pdf of CBSE Class 10 Chemistry Practical Worksheet Set B. Download printable Science Class 10 Worksheets in pdf format, CBSE Class 10 Science Practical Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern

Practical 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 Practical Worksheet Pdf

 

Experiment No: ……5…… 


Objective: To study two physical and two chemical properties of acetic acid.

Requirements: Test tubes, Glass tubes (or dropper), Glacial acetic acid, ethanol, con. H2SO4, saturated solution of NaHCO3, lime water, etc.

Concepts:Molecular formula: CH3COOH

Structural formula:

CBSE Class 10 Chemistry Practical Worksheet Set B 1

Precaution:

CBSE Class 10 Chemistry Practical Worksheet Set B 2

Glacial acetic acid is corrosive in nature. It should be handled with care. Never inhale con. Acetic acid vapours

Questions:

Name the functional group present in acetic acid. Name the alkyl group present in acetic acid. State the IUPAC name of the acetic acid.

Why pure acetic acid is called Glacial acetic acid? (It’s FP is 16.60C / 289.6K. When it is cooled below

00C / 273K it forms white crystals like ice and hence it is called glacial acetic acid.) Give two reasons for calling acetic acid as “acid” (1. Litmus, 2. react with N2CO3) Why is one drop of con. H2SO4 added to the reaction mixture for esterification?

Acid acts as a catalyst

It also absorbs and removes the water formed during the reaction and makes the reaction proceeding in the forward direction only.

Why the esterification reaction mixture should not be heated on direct flame? / OR / Why one should not note try to note the smell of the mixture directly form the test tube?
(The reaction mixture can spurt and hence may cause serious accident.)

Multiple choice questions

1. A student is asked to add a teaspoon full of solid NaHCO3 to a test tube containing approximately 3 mL of acetic acid. He observed that the solid NaHCO3

· Floats on the surface of acetic acid

· Remains suspended in the acid

· Settles down in the test tube

· Reacts with acetic acid and a clear solution is obtained.

2. Mohan added 5 mL of dil. ethanoic acid to 10mL of water in a test tube. After shaking the mixture he observed that

· A clear solution was observed

· A white ppt appeared in the test tube

· Ethanoic acid formed a separate layer at the bottom of the test tube.

· A colourless gas was evolved.

3. Which one of the following reagent gives brisk effervescence with ethanoic acid?

· Ca(OH)2

· NaCl

· NaHCO3

· NH4Cl

4. The chemical composition of lime water is ----------- and it is ------ in nature.

· CaO , acidic

· Ca(OH)2 , basic

· CaO, basic

· Ca(OH)2 , acidic

5. A student takes a small quantity of NaHCO3 in a dry test tube and pours 4 – 5 drops of ethanoic acid to it. What will he observe?

· Evolution of a colourless gas with pungent smell.

· Bubbles of colourless , odourless gas.

· Evolution of brown fumes along wit abrisk efferscence.

· Evolution of a colourless gas with bounce with a pop sound when a burning splinter is brought near it.

 

Please click on below link to download CBSE Class 10 Chemistry Practical Worksheet Set B

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

CBSE Class 10 Science Practical Worksheet

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Worksheet for Science CBSE Class 10 Practical

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Practical worksheet Science CBSE Class 10

All practice paper sheet given above for Class 10 Science have been made as per the latest syllabus and books issued for the current academic year. The students of Class 10 can be assured that the answers have been also provided by our teachers for all test paper of Science so that you are able to solve the problems and then compare your answers with the solutions provided by us. We have also provided a lot of MCQ questions for Class 10 Science in the worksheet so that you can solve questions relating to all topics given in each chapter. All study material for Class 10 Science students have been given on studiestoday.

Practical CBSE Class 10 Science Worksheet

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Worksheet for CBSE Science Class 10 Practical

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