A. Simply boiling
B. Adding alum
C. Passing it through cation & anion exchangers
D. All (A), B. and (C)
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. Separation of isotopes of uranium from gaseous uranium hexafluoride
B. Separation of helium from natural gas
C. Desalination of brackish water to produce potable (drinking) water
D. Purification of oxygen
A. 2
B. 10
C. 25
D. 50
A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the
whiteness appearance of white fabrics
B. Attain distinctiveness from other brands
C. Act as tarnish inhibitor for metals like German silver
D. None of these
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Lignin
B. Cellulose
C. Starch
D. Gelatine