A. Hydrochloric acid
B. SO2 (dry or wet)
C. Chlorine (dry or wet)
D. All A., B. and C.
Related Mcqs:
- Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about_______________?
A. Half
B. One third
C. One fifth
D. One twelfth - Glass is corroded by________________?
A. Fluorine (dry or wet)
B. Sulphuric acid
C. Phosphoric acid
D. None of these - Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2. Lead pipes are readily corroded by___________________?
A. Dilute HCl
B. Acetic acid
C. Concentrated H2SO4
D. None of these - Teflon (PTFE) is corroded by_______________?
A. Hydrochloric acid (10%)
B. Hydrochloric acid (95%)
C. Sulphuric acid
D. None of these - Rubber lined vessels are corroded by the action of__________________?
A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All A., B. and C. - Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Lead pipes are readily corroded by_________________?
A. Dilute HCI
B. Acetic acid
C. Concentrated H2SO4
D. None of these - Tin vessels are corroded by____________________?
A. Anhydrous ammonia
B. Aromatic solvents
C. Synthetic detergent solution
D. None of these - Platinum and silver are corroded by___________________?
A. Caustic soda solution
B. Phosphoric acid
C. Sulphuric acid (10%)
D. None of these - Stainless steel is not corroded by _____________________?
A. Hydrochloric acid (10%)
B. Nitric acid (10%)
C. Sulphuric acid (10%)
D. Saturated brine - Gunmetal and bronze are not corroded by the action of__________________?
A. Wet chlorine
B. Synthetic detergent solution
C. Hydrochloric acid (10%)
D. Nitric acid (< 25%)
