Which has least gold number

Which has least gold number

Options

(a) Gelatin
(b) Starch
(c) Albumin
(d) Blood

Correct Answer:

Gelatin

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

View Comments (1)

  • weight of the dried protective agent in milligrams,which when added to 10 ml of standard gold sol (0.0053 to 0.0058) is just sufficient to prevent the color change from red to blue on the addition of 1 ml of 10% sodium chloride solution, is equal to gold number of the protective colloid.

Related Questions

  1. What is the composition of tear gas
  2. A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous
  3. Aromatic hydrocarbon shows mostly
  4. Which pair of atomic numbers represents s-block elements?
  5. The boiling point of glycerol is more than propanol because of