Question

5

Select all the correct answers.
Which sentences describe chemical changes?
The temperature of water rises when heated.
When mixed, water and limestone give off heat.
A mixture of red paint and green paint becomes black.
On adding yellow turmeric to a transparent soap solution, the mixture turns bright red.
When ground into powder, grains of wheat become flour.

Answer 1

Answer: The answers are:

When mixed, water and limestone give off heat.

On adding yellow turmeric to a transparent soap solution, the mixture turns bright red.