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Question 17

A liquid begins to boil when

  • A.its volume if slightly decreased
  • B.its vapour pressure is lower than the external pressure
  • C.its vapour pressure equals the external pressure
  • D.its molecules start escaping from the surface
Objective

Question details

Exam body
OAU
Subject
Chemistry
Year
2008/2009
Question no.
#17
Type
Objective
Previous · Q16Which one of the following statements is true? Next · Q18 An element which exists in more than one crystalline form is said to exhibit.

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