Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 28
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30Chapter 4 - Carbon and its Compounds
Formative Assessment Manual for Teachers
CH
COOH
C
H
CH
COOH
Magic number
3
5
10
3
CH
CH
CI
HCHO
C
H
Magic number
3
2
15
32
CH
COCH
C
H
C
H
OH
Magic number
3
3
6
10
2
5
Magic number
Magic number
Magic number
HINT LIST:
1.
Ethanol
2.
Chloroethane
3.
An alkene
4.
Methanal
5.
Its dil. Form is used as Vinegar.
6.
Ketone with 3 carbon atom.
7.
An alkyne
8.
Contains a triple bond.
9.
An alkane.
Suggested Remediation:
●
A few students may not associate all the squares with the correct hint, confusion may
be between methanol and methanal.
●
Students can check themselves by adding the number in the rows and think over the
answer again or teacher may help them to recall.
58
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