Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 3
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30Formative Assessment Manual for Teachers
Metals and Non-Metals - Chapter 3
6.
Which of the following can be beaten into thin sheets?
a.
Zinc
b.
Phosphorus
c.
Sulphur
d.
Oxygen
7.
Read the following statements carefully and select the correct statements about the
physical and chemical properties of metals-
I.
All metals are ductile
II.
Generally metals are ductile
III. Metals which are more reactive than hydrogen react with acids to release
hydrogen gas.
IV. All metals react with acids to release hydrogen gas.
The correct statement of the above are-
a)
1 and IV
b)
I and III,
c)
II and III
d)
II and IV
8.
Aluminium foil is used for wrapping food because-
a.
It is ductile
b.
It is malleable
c.
It is a good conductor of heat
d.
It is sonorous
9.
What happens when dilute sulphuric acid is poured on a copper plate?
a.
No reaction takes place
b.
Zinc sulphate formed
c.
Copper chloride formed
d.
Copper sulphate formed.
10. Which material is hard in nature?
a.
Iron
b.
Graphite
c.
Oxygen
d.
sodium
11. Which one of the following metal is used in thermo meters?
a.
Copper
b.
Mercury
c.
Aluminium
d.
Iron
12. Correct the statement by substituting the x and y with correct option.
X can’t be drawn into wires because it is not Y in nature.
X
Y
a
Coal
Ductile
b
Copper
Malleable
c
Aluminium
Ductile
d
Coal
Malleable
33
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