Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 22
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30Chapter 4 - Carbon and its Compounds
Formative Assessment Manual for Teachers
Q6. What is the difference between alkanes and alkenes?
Q7. When carbon is burnt carbon dioxide is formed. Name the products formed when
hydrocarbons are burnt.
Q8. What is a functional group?
Q9. Why does carbon form many compounds? (Give two reasons)
1.
2.
Suggested Remediation:
●
A few students may be puzzled to find out the valence of carbon in ether. Teacher
may need to explain. As carbon that valence of carbon never changes (Valence is the
Capacity to form bonds has four electron in outermost shell its valuance is 4)
●
A few students may write that alkanes are saturated and alkenes are unsaturated
hydrocarbon or alkenes have one pair of carbon atoms bonded with double bond.
●
A few students may not correlate that one of the major component of hydrocarbon is
carbon and therefore their combustion also leads to the production of CO
and H
O
2
2
heat and light Teacher may help them to understand.
Carbon and its Compounds
Chapter 4
Assessment technique: Formula Based Worksheet (Brain storming)
Objectives: To enable the learners to
●
Learn the molecular formula of a hydrocarbon and with its structure and versa.
52
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