chemistry test for 10 class
Self Evaluating Test
It is hard to beat a person who never
gives up. (Babe Ruth)
I fear no one but respect every one.
Total time:1hour. Total No: 52 Passing No: 65%
The test is of 3rd and 4th chapter chemistry (organic
chemistry and hydrocarbons).
First section OBJECTIVE
Q.no.1part (a): fill in the blanks. (10)
The organic
compound which was prepared in the lab by was .
The
molecular structure of methane molecule is .
The
percentage of butane in natural gas is to .
The percentage
of carbon in lignite coal is .
LPG
stands for .
Petroleum
is purified through the process of .
Q.no.1part (b): mention T and F for true and false
statements, respectively.
Ethyl
alcohol and dimethyl ether are isomers of each other.
Usually
organic compounds are very reactive.
Hydrocarbons
means the hydrated carbon.
Q.no.2: Answer the following short questions. (30)
How 3D
structures of molecules can be drawn on the paper?
Define
catenation and isomerism?
What is
alkyl radical?
What is
vital force theory?
What is
functional group and give example?
How you
can prepare alkenes from alkane (any one method)?
Write
both structural and condensed formula of following compounds?
Chloromethane, benzene,
tetrachloromethane, acetylene, methylamine, acetic acid.
Differentiate
between ethane, ethylene and acetylene?
What is
saturated and unsaturated hydrocarbon?
What is
combustion?
Second section SUBJECTIVE.
Q.no.3: Answer the long questions. (12)
Write about
the classification of alkane?
Write
about the preparation of alkynes?
THE END
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