Refer back to your data. list all indicators of chemical change that you observed.

1. color change: the substance will change in colour
2. Change in temperature
3. Noticeable change in odour
4. formation of precipitate
5. formation of bubbles
6.Emission of light
7.Formation of a gas.

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.