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Consider the following statements about tinting strength.
1. It measures how strongly a colourant affects a mixture.
2. It depends on the absorption of the colourant concerned.
3. It is identical to the hiding power of the colourant.

  • A.3 only
  • B.1 only
  • C.All of them
  • D.1 and 2 only

Answer: D

The first two are correct and describe the property. The third confuses absorption with scattering, which are separate and independently variable quantities. Tinting strength depends on absorption. Hiding power depends on scattering instead.

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