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Question 13
A
They have different number of carbon atoms 
B
They are members of same homologous series 
C
They have the same boiling points 
D
They have the same chemical properties 
Explanation.
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No official Explanation yet!


Correct Option:
D


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Question 15
A
0.05 moldm-3 
B
0.30 moldm-3 
C
0.50 moldm-3 
D
0.40 moldm-3 
Explanation.
Share Answer 2g NaOH is contained in 100cm3
Xg NaOH is contained in 1000cm3

Xgram = \(\frac{2\times 1000}{100}\) = 20g

Mole = \(\frac{20}{40}\) = 0.50mol/dm3

Correct Option:
C




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Question 19
A
Kinetic energy of particles increases from solid to gas 
B
Random motion of particles increases from gas to solid 
C
Orderliness of particles increases from gas to liquid 
D
Random motion of particles increases from liquid to gas 
Explanation.
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No official Explanation yet!


Correct Option:
B


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