chemistry(chemistry and industry 2) Quiz
Question Number 1
The thin layer called verdigris is NOT-
A. is green in color
B. is of copper
C. is of aluminium
D. it is a protective layer
Question Number 2
One is used to produce deep blue color in glass-
A. Ferrous compounds
B. CrO2
C. NaOH
D. CoO
E. CO
F. CO2
Question Number 3
One is TRUE about Iron in MILD IRON form-
A. contains 0.6-1.5 % carbon
B. is used to produce chain and springs
C. is used to produce nuts and bolts
D. is of less strength