Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

Related Mcqs:

Carbon is present in steel wholly in the__________________?

A. Combined form B. Free state as graphite C. Both A. and B. D. Neither A. nor B....

_______________ is a donor impurity for semi-conductors ?

A. Boron B. Antimony C. Gallium D. None of these...

Presence of even very minute amount (say 0.1%) of ______________ in copper, reduces its electrical conductivity very seriously?

A. Bismuth B. Arsenic C. Antimony D. Both B. and C....

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...