C. A solution is any two liquids mixed.<span />
Answer: D. It reacts with oxygen in the presence of moist air.
Explanation:
The element Gold, does not react with oxygen,hence it is not affected by corrosion,neither does it rust.
This picture represents electrons
I believe it’s physical property because there is no chemical reaction to an unlit match♀️
Silicon is used in producing Pv celss because cells made from the crystallized polycrystalline silicon have efficiencies in the range of 14-18% and a moderate price.
