A Light Green Powder Is Heated
A Light Green Powder Is Heated. (iii) compound (a) is heated strongly. The colour of iron sulphate is (a) yellow (b) green (c) blue (d) brown.
This final step is pressing the powder into hashish, and the reasons are numerous for doing this. Compare the mats after heating to the mass before heating the color change of the copper (ii) carbonate hydroxide hydrate as. A gas is given off, while the solid becomes black.