Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 24
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30Chapter 4 - Carbon and its Compounds
Formative Assessment Manual for Teachers
H
H
H
H
H
|
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|
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Heptyne
C
H
H — C — C — C — C — C — C = C — H
7
14
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H
H
H
H
H
Suggested Remediation:
●
Some students may not be able to establish the relation of hydrocarbon-name, molecular
formula, structure , they need to be given more practice.
●
Some students may not be able to recall the molecular formula.
●
Some may not include the carbon of carboxyl group in base chain. Teacher may need
to guide them.
●
Some students may not check the valence of the caron atom e.g.(in Heptyne) and so
may not find any error in question 5. They need to explain the same.
Carbon and its Compounds
Chapter 4
Assessment technique: Content based
Objectives: To enable the students to
●
understand and learn the chemical properties of Hydrocarbons..
●
Identify the reactants used and products formed in different reactions.
Task:
Individual
Procedure:
Teacher may give this worksheet to the students after teaching - learning the properties of
Hydrocarbons. Assessment parameter-1 mark for each correct answer
Student Worksheet
Instructions:
Mr.Puri explained the chemical properties of hydrocarbons to students and wrote the chemical
equations for the reactions. He asked the students to note them in their note books . Suddenly the
bell rang . As he moved out, Rishel rubbed a few compounds from the blackboard. Now students
are in a fuss . Can you help them in placing chemical formula of correct compound to complete the
chemical equation for the reactions:
54
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