A. Sulphuric acid (10%)
B. Sulphuric acid (95%)
C. Ether
D. Both B. and C.
Related Mcqs:
- Rubber lined vessels are corroded by the action of__________________?
A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All A., B. and C. - Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?
A. Silicon
B. Phosphorus
C. Sulphur
D. None of these - Hydrochloric acid is _______________ corrosive to common metals?
A. Least
B. Not
C. Mildly
D. Highly - H2SO4 (< 50% concentration) is corrosive to_________________?
A. Aluminium, mild steel, stainless steel, concrete & tin
B. Copper, cast iron & high silicon iron (14% Si)
C. Rubber (butyl and hard), silicone rubber & Teflon
D. Glass, graphite, porcelain & stoneware - Most common stainless steel type 316, which is highly resistant to corrosion contains______________?
A. 16-13% Cr 10-14% Ni and 2-3% Mo
B. 20-22% Cr, and 8-10% Ni
C. 2-4% Cr, 22% NI and 2-4% Mo
D. None of these - Silicon percentage in acid resistant cast iron is about________________?
A. 4
B. 8
C. 14
D. 20 - The most resistant material to alkaline corrosion is____________________?
A. Duriron
B. Nickel
C. Aluminium
D. Karbate - Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of__________________?
A. Stainless steel or glass lined steel
B. Nickel clad steel
C. High silicon cast iron
D. Aluminium - Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of__________________?
A. Cast iron
B. Stainless steel or glass lined vessel
C. Karbate
D. Wrought iron - Rubber lined pumps can be used to pump_________________?
A. Caustic soda
B. Chlorinated brine
C. Hypochlorous acid
D. All A., B. and C.
