In the determination of the gold number of a protective colloid, the endpoint is indicated by:

Related MCQs

• If the gold number is less then the protective action will be
• The critical value of zeta potential (in milli volts) for a stable colloid (except gold sol) is:
• The criterion to call a system ‘colloid’ is
• Which of the following DO NOT form colloid spontaneously?
• Dispersion of acacia in water gives the colloid of type:
• Addition of alcohol to a hydrophilic colloid leads to:
• Under ultramicroscope, colloid particles appear as:
• …..is directly proportional to the molecular weight of lyophilic colloid.
• Protective colloids DO NOT:
• The protective ability of colloids is measured as