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What is gold number ?

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What is gold number ?

Posted by Shivanshu Yadav 8 years, 2 months ago

CBSE > Class 12 > Chemistry

3 answers

Aisha Grewal 8 years, 2 months ago

Urvi is correct

Urvi Sahu 8 years, 2 months ago

Gold Number is a term used in colloidal chemistry. It is defined as the minimum amount of protective colloid in milligrams which prevents a color change from red to violet of 10ml gold sol by the addition of 1 ml of 10%NaCl solution.

Lekha Raj 8 years, 2 months ago

Sorry...I'm not able to understand yr ques.......

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