Chemistry, asked by TulabhDave, 7 months ago

( (4)
How many Pascal high vacuum is required for obtaining completely pure surface
of metals ?
(A) 10-8 to 10-9 (B) 10-8 to 10-10 (C) 10-6 to 10-9 (D) 10-8 to 10-7
YY r

Answers

Answered by tsnni

0

Answer:

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