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_________________?

Related Mcqs:

Maximum consumption of lead is in the manufacture of _________________________?

A. Storage batteries B. Solder alloys C. Electric cable sheathing D. Lead lined vessels...

Which one occupies the lowermost position in the electromotive series of metals ?

A. Aluminium B. Noble metals (Ag, Pt, Au) C. Zinc D. Alkali metals (K, Na, Li)...

Carbon content in steel is ___________________ percent?

A. 0.1-2 B. 4-6 C. 2-4 D. 0.001-0.01...

Presence of even 0.005% of _____________ in copper makes it highly brittle, rendering it useless for wire-drawing?

A. Oxygen B. Arsenic C. Antimony D. Bismuth...

Hardest materials so far found is_________________?

A. Diamond B. Graphite C. Carborundum D. Pumice stone...