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Hydrogen and Water - 3
1.
The force of attraction among water molecules is known as
a) Ionic bonding
b) Covalent bonding
c) Hydrogen bonding
d) None of the above
2.
One method for producing acids is by the reaction of nitrogen dioxide with water which of the following equation correctly shows this reaction.
a) NO
2
+H
2
O -----------------> H
2
NO
3+
H
2
b) NO
2
+H
2
O-------------------->2HNO
2
+HNO
3
c) 2NO
2
+H
2
O------------------> HNO
2
+HNO
3
d) NO
2
+H
2
O ------------------->HNO
2
+HNO
3
3.
Ion exchange method is used to remove
a) Germs from water
b) Permanent hardness from water
c) Impurities from water
d) Heavy water from water
4.
Hydrogen is essential component of the compound
a) Sodium chloride
b) Calcium hydride
c) Sodium sulphate
d) Zinc chloride
5.
Water gas is the mixture of
a) Carbon monoxide and hydrogen
b) Carbondioxide and hydrogen
c) Carbondioxide
d) Carbonmonoxide
6.
Addition of hydrogen to unsaturated compounds is called
a) Chlorination
b) Ionization
c) Hydration
d) Hydrogenation
7.
In presence of catalyst hydrogen combines with carbonmonoxide to form methyl alcohol
a) High temperature and low pressure
b) High temperature and high pressure
c) Low temperature and low pressure
d) Low temperature and high pressure
8.
Which one of the following compounds is metal hydride?
a) NH
3
b) PH
3
c) H
2
S
d) LiH
9.
Hydrogen shows +1 oxidation state in following compounds except
a) NH
3
b) PH
3
c) NaH
d) H
2
O
10.
Which of the following compound has higher boiling point
a) H
2
Se
b) H
2
O
c) H
2
S
d) None of them
11.
Matching Items: Click the matching word for Caustic Soda
a) H
2
Se
b) CaO
c) NaOH
d) H
2
S
12.
Matching Items: Click the matching word for Hydride
a) CaO
b) CaH
2
c) H
2
S
d) NaOH
13.
Matching Items: Click the matching word for Hygrosopic compound
a) CaO
b) H2S
c) NaOH
d) NaNO
3
14.
Matching Items: Click the matching word for Quick lime
a) CaO
b) H
2
Se
c) NaOH
d) H
2
S
15.
Matching Items: Click the matching word for Hydrogenation
a) Fuel
b) Vegetable ghee
c) Zinc
d) Fuel
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