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ChE Past Board Exam > April 2014 > Flashcards

April 2014 Flashcards

1
Q

Formula of Red Lead

A

Pb3O4

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2
Q

Can oxygen be synthesized from nitrogen?

A

Impossible unless i.exposed in a very hot temp. like stars and sun

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3
Q

Author of Octet Rule

A

Gilbert Lewis

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4
Q

How does alpha, beta, and gamma particle affect the mass number of an atom?

A

4,0,0

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5
Q

Iodine vapor forms iodine crystals when it touches a cold surface. What is the reverse of the process being describe?

A

Sublimation

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6
Q 
Given Dodecane
I. Is it soluble in water?
II. Is it soluble in hexane?
III. Is it combustible?
IV. Is it solid, liquid or gas at room temp. and atmospheric conditions? 
V. Is it denser than water?
A 
I. No
II. Yes
III. Yes
IV. Liquid
V. Less Dense
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ChE Past Board Exam (9 decks)

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