Silicone rubber is not resistant to the corrosive action of____________________?
Correct answer: D. Both B. and C.
- A. Sulphuric acid (10%)
- B. Sulphuric acid (95%)
- C. Ether
- D. Both B. and C.
Explanation
Silicone rubber withstands dilute sulphuric acid reasonably well, but concentrated 95% acid and ether can attack or swell it. Therefore both the concentrated acid and ether are unsuitable exposures.
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