Answer:
Its electricity production .
Explanation:
hope it helps
Answer:
Pure Beryl is colorless.
Explanation:
The wide range of impurities cause the diverse amount of colors and many varieties. The green color in emerald is usually caused by traces of the element chromium, and the blue color of aquamarine usually by iron.
Answer:
The anwsers to your questions are below
Explanation:
1.- It was used solubility in water to separate NaCl from the other to components. Solubility is a physical property because the substance does not transform into a different one.
2.- Reactivity, it is a chemical property because CaCO3 transform into Co2 and CaCl2.
3.- I don't know which is step seven, but is a sample is not dry completely it will be polluted, it is not pure.