Chemistry (UI) | Study Mode

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Question 31
A
liquid is dispersed in gas
B
solid is dispersed in liquid
C
gas is dispersed in liquid
D
liquid is dispersed in liquid
Explanation

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Correct option: C
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Question 32
A
CO2 , SO3 and N2O
B
CO2 , CO and N2O
C
SO2 , CO and NO2
D
PH3 , H2O and CO2
Explanation

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Correct option: C
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Question 33
A
do not scatter light, suspensions do
B
can be separated by filtration, suspensions cannot be so separated
C
can be separated by a membrane, suspensions cannot
D
do not settle out on standing, suspensions do
Explanation

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Correct option: D
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Question 34
A
chloroform
B
sugar cane
C
acetic acid
D
NaCl
E
C and D.
Explanation

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Correct option: E
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Question 35
A
acidic solution
B
neutral solution
C
basic solution
D
hot solution
E
all of the above
Explanation

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Correct option: A
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Question 36
A
H2S, SO2 and oxides of nitrogen
B
NH3 , HCl and CO
C
CO2 , NH3 , and H2S
D
dust, NO and Cl2
Explanation

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Correct option: A
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Question 37
A
2
B
1
C
3
D
4
E
0
Explanation

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Correct option: A
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Question 38
A
Hydrogen sulphide
B
Carbon (IV) oxide
C
Sulphur (IV) oxide
D
Carbon (II) oxide
Explanation

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Correct option: D
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Question 39
A
Ca2+
B
Hg2+
C
Mg2+
D
Fe2+
Explanation

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Correct option: B
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Question 40
A
NH4Cl
B
alum
C
NaCO3
D
AlCl3
E
NaCl
Explanation

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Correct option: B

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