Special features of borate glass is that it is_________________?

Related Mcqs:

Which electronic configuration corresponds to an element of group IIIA ?

A. 1s2 2s2 2p3 B. 1s2 2s2 2p6 3s2 3p1 C. 1s2 2s2 2p4 D. 1s2 2s2 2p6 3s2 3p6 4s2 3d1...

In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?

A. 4 B. 2 C. 1 D. 6...

Orthoboric acid is 2.6% soluble in water at 40?C and ___________at 107°C.

A. 26% B. 27% C. 37% D. <2.6%...

Which of the following shows inert pair effect ?

A. boron B. carbon C. silicon D. tin...

Tincal is a mineral of___________________?

A. A1 B. Si C. B D. C...