Q: 51 (NDA-II/2008)

Match List-I with List-II and select the correct answer using the code given below the lists:
List-I (Substance added)
A. Chromium (III) oxide
B. Cobalt (II) oxide
C. Cuprous oxide
D. Manganese dioxide
List-II (Colour imparted to glass)
1. Red
2. Violet
3. Green
4. Blue
Codes: A B C D
question_subject: 
Science
stats: 
0,192,232,64,208,128,24