Molecular weights of polymers are in the range of__________________ ?
A. 102 – 102
B. 105 – 109
C. 102 – 107
D. 109 – 1011
A. 102 – 102
B. 105 – 109
C. 102 – 107
D. 109 – 1011
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A. SO3 gas is sparingly soluble in water
B. Water forms an acid mist, which is difficult to absorb
C. The purity of acid is affected
D. Scale formation in the absorber is to be avoided
A. About 90% of nitric acid is manufactured by Ostwald’s process
B. It is a strong mono basic acid which reacts with almost all the metals except noble metals
C. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)
D. Arc process of nitric acid manufacture is economical as compared to Ostwald’s process
A. Flint
B. Soda
C. Pyrex
D. Potash
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.