Chemical Engineering - Chemical Process

16.
Baking soda is chemically represented by
Na2CO3
NaHCO3
Na2CO3.H2O
Na2CO3.10H2O
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
bakelite
neoprene
teflon
nylon-66
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?
Depithing
Digestion
Bleaching
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Percentage of glycerene present in the spent lye obtained during soap manufacture is about
0.5
5
20
35
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
10
25
50
98
Answer: Option
Explanation:
No answer description is available. Let's discuss.