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1586. How does common salt help inseparating soap from the solution after saponification ?
A. By decreasing solubility of soap
B. By increasing solubility of soap
C. By decreasing density of soap
D. By increasing density of soap
Explanation:
1587. The ore of Which of the following metals can be concentrated by hydraulic washing ?
A. Tin
B. Sodium
C. Iron
D. Manganese
Explanation:
1588. Catalytic properties of a substance may be best defined as a phenomenon of
A. Absorption
B. Chemisorption
C. Adsorption
D. None of these
Explanation:
1589. The yellow colour of urine is due to the presence of
A. bile
B. lymph
C. cholestrol
D. urochrome
Explanation:
1590. Filter Beds used to remve suspended impurities from municipal water consist of
A. fine sand
B. gravel
C. charcoal
D. All of these
Explanation:
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