In BessemerizationFeS is oxidized to….……
a) FeO
b) CuO
c) SO2
d) SO3
In Bessemerization, Cu2S converted to………
a) Cu2S
b) Cu2O
c) CaO
d) FeO
The copper produced in
bessemerization is 95% to …………..pure.
a) 99%
b) 98%
c) 96%
d) 97%
………….. help their industries to research and discover ways to improve their product.
a) Quality control chemist
b) production chemist
c) food chemist
d) Research and development chemist
Food chemist use their knowledge of chemistry to create food with desirable qualities such as……………..
a) longer shelf life
b) better taste
c) improved nutrients
d) all of these
