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Which of the following statements is inc...

Which of the following statements is incorrect ?

A

Colloidal gold is used for intramuscular injection

B

Collodial solution of latex is used in preparation of rubber

C

Photographic films are prepared by coating an emulsion of AgBr in gelatin over glass plate

D

Tanning used in leather industry contains positively charged colloidal particles.

Text Solution

Verified by Experts

The correct Answer is:
D
Tannin used in leather industry contains negatively charged colloidal particles.
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