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Pretest
Directions: Read the questions carefully and write the letter of the correct
answer on the space provided. Use Capital Letters.
1. Which of the following statemente beat describe organic compounde?
A. Organic compounds contain carbon atoms only.
B. Organic compounds are produced by living things.
C. Organic compounds contains oxygen and hydragen only.
D. Organic compounds are composed mainly of carbon and hydrogen,
2. What is the maximum number of bonds a carbon atom can form?
B. 5
D. 2
3. Which organic compound is used as a cleaning agent?
A. ethyl alcohol
C. kergrene
B. gasoline
D. liquefied petroleum gar (LPG)
4. Which of the following compounda ia inorganic?
A CCL
C. NaCl
В. СНА
D. CH,OH
5. What particular atom is present in organic compounds that make it different
from inorganic compounds?
A Boron
C. Chlorine
B. Carbon
D. Sulfur​


Sagot :

Answer:

1.d.organic compounds are composed mainly of carbon and hydrogen

2.b5

3.a.ethyl alcohol

4.c.NaCI

5.bcarbon