Answer to Question #68571 in Physical Chemistry for EMMANUEL

Question

Question 1 : Which of these is not true about semiconductors?
They are insulators under normal conditions
Electrical conductivity increases with temperature
They conduct when heated
They conduct under normal conditions
Question 2 : Which of the following is a pure substance made up of one type of atoms?
A solution
A mixture
A compound
An element
Question 3 : Which of the following is not a colligative property?
Increase in latent heat
Boiling point elevation
Freezing point depression
Vapour pressure lowering

Answer 1

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