Answer:
i guess fuels are chemicals
6:c
7: might be ice but im not really sure, hope you do well.
Explanation:
C
The high conductivity of silver does not promote its use in jewelry.
Answer:
2 a
element pure form cannot broken down
3 b
Chemical change chemical R×N
(R×N = reaction)
4c homogeneous solution
Yield = Yield (reaction yield): A measure of a chemical reaction's efficiency, as a ratio of moles of product to moles of reactant. Usually expressed as a percentage. % Yield = Moles of product.
Explanation: