76% ,خميس 17 أيلولuo 10:59 MeetA docs.google.com17----- is added to dental amalgam alloy powder to supress oxidationd) Mercuryc) Crb) Zna) Sn18-this occurs when metal is subjected to a tensile stress in the presence of acorrosive environmenta) Pittingc) CREVICEd) None of aboveO b) UNIFORM19-the effect corrosion of (V) in human body is central nervous systemdisturbancestrueFalse20-the monmer of Polytetrafluoroethylenea) CFЗb) CH2c) CF1d) CF2O O OO OO OООО

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17- -------- is added to dental amalgam alloy powder to supress oxidation d) Mercury c) Cr b) Zn O a) Sn

Chemistry for Engineering Students

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Chapter1: Introduction To Chemistry

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Question

76% ,
خميس 17 أيلول
uo 10:59 Meet
A docs.google.com
17-
---- is added to dental amalgam alloy powder to supress oxidation
d) Mercury
c) Cr
b) Zn
a) Sn
18-this occurs when metal is subjected to a tensile stress in the presence of a
corrosive environment
a) Pitting
c) CREVICE
d) None of above
O b) UNIFORM
19-the effect corrosion of (V) in human body is central nervous system
disturbances
true
False
20-the monmer of Polytetrafluoroethylene
a) CFЗ
b) CH2
c) CF1
d) CF2
O O O
O O
O O
ООО

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