35. Electroplating is based on
(a) heating effect of electricity
(b) chemical effect of electricity
(c) physical effect of electricity
(d) magnetic effect of electricity
40.Force of friction depends
(a) roughness of surface
(b) smoothness of surface
(c) inclination of surface
(d) all of these
28. Dead organisms are transformed into petroleum & natural gas in
a. Absence of air
b. Presence of air
c. Presence of sun light
d. None of these
Help me urgently!
Answers
Answered by
3
Answer:
1) Electroplating is based on
answer=chemical effect of electricity.
2) force of friction depends
answer=roughness of surface.
3) Dead organisms are transformed into petroleum & natural gas in
answer=absence of air.
Attachments:
Answered by
3
Answer:
35. (a)
40. (d)
28. sry sis I dunno this one
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