The two chief methods of chemical pulping are:
1. the sulphite process
2. the phosphate process
3. the sulphate process
4. the sodium carbonate process
a) 1, 2
b) 1, 3
c) 2, 4
d) 3, 4
e) 1, 4
Answer: B
The two chief methods of chemical pulping are:
1. the sulphite process
2. the phosphate process
3. the sulphate process
4. the sodium carbonate process
a) 1, 2
b) 1, 3
c) 2, 4
d) 3, 4
e) 1, 4
Answer: B