INBDE Practice Exam 2025 – Complete Study Guide

Question: 1 / 1180

What substance is used as a tanning agent to harden and preserve the emulsion?

Potassium Bromide

Aluminum Salts

Aluminum salts are used as a tanning agent to harden and preserve the emulsion. Potassium bromide and sodium chloride do not have the properties necessary for tanning. Calcium carbonate can be used as a pH stabilizer, but does not function as a tanning agent.

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Sodium Chloride

Calcium Carbonate

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