Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 20
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30Chapter 4 - Carbon and its Compounds
Formative Assessment Manual for Teachers
Suggested Remediation:
●
Some students may not be able to make and use the general formula of homologous
series of alkyne and alcohol. They may be given more practice using different examples
from same and different homologous series.
●
Some students may not to able to identify the compound and functional group present
in that Help them to recall the same.
Carbon and its Compounds
Chapter 4
Assessment technique: Facts based Worksheet
Objectives: To enable the students to
●
Learn the basic facts about carbon atom like electronic configuration, valency and its
combustion.
●
understand the versatile nature of carbon atom.
●
Appreciate that carbon forms compounds by sharing electrons.
●
Learn that alkanes are saturated but alkenes and alkynes are unsaturated
●
hydrocarbons where pair of carbons are bonded with double and triple covalent bond
respectively.
Task:
Individual
Procedure:
Teacher may give this worksheet to the students after discussing about the nature of carbon atom
and its bonding ability
Teacher may give the following information to the students as a recall:-
●
Compounds of carbon and hydrogen are called Hydrocarbons.
●
Carbon forms covalent bonds by sharing the electrons.
●
Alkanes are saturated hydrocarbons with a pair of carbon atoms bonded together with
double bond.
●
Alkynes are unsaturated hydrocarbons with a pair of carbon atoms onded together with
triple bond.
●
Hydrocarbons on combustion produce CO
, H
O heat and energy.
2
2
●
Functional group are atoms or group of atoms present in hydrocarbon which determines
its chemical properties.
Assessment parameters: As indicated in the worksheet. (Q1-Q8 1 mark)
50
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