E-PolyLearning

6. Usual property of ionic crystals is that they are
a. stable
b. unstable
c. gaseous form
d. compound forming
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Answer: (a).stable

7. Isomorphism is possible because of compatible
a. ratio
b. sizes
c. shape
d. color
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Answer: (a).ratio

8. Crystal which is used to study Avogadro's number is called
a. LiF
b. NaI
c. NaCl
d. LiF
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Answer: (d).LiF

9. Another name for electron pool theory is
a. electron gas theory
b. liquid theory
c. solid theory
d. pool theory
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Answer: (a).electron gas theory

10. Hexane has maximum value for enthalpy change in vaporization, which is
a. 7kJ/mole
b. 23kJ/mole
c. 30.1kJ/mole
d. 4kJ/mole
View Answer Report Discuss 50-50!
Answer: (c).30.1kJ/mole

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