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. When 25g of Na₂SO₄ is dissolved in 10³ kg of solution,its concentration will be
  2. How many mole of MNO₄⁻ ion will react with 1 mole of ferrous oxalate in acidic medium
  3. Which of the following is the most electronegative
  4. In which of the following conditions a chemical reaction can not occur
  5. The reactive species in the nitration of benzene is