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Question
Chemistry
Which one of the following can be used to predict the flow of cathode rays?
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Q. Which one of the following can be used to predict the flow of cathode rays?
Structure of Atom
A
$ZnSO _4$
16%
B
$ZnCl _2$
6%
C
$NaCl$
10%
D
$ZnS$
68%
Solution:
Phosphorescent material (zinc sulphide) is used to predict the flow of cathode rays.