Answer:
A. The color change from blue to green happens in nature.
Explanation:
The color change is an indicator of a chemical reaction that has occurred. Although color changes are not necessarily good diagnostic tool to measure if a chemical reaction has occurred or not.
- In this reaction, color changes is quite an effective tool
- Chemical changes usually involves the formation of a new product from the chemical reaction.
- Also, the steps are not easily reversible.
- For this reaction, color change is the most appropriate signal for a chemical change.
Answer:
There are 14 cm in 0.14 m
Answer:
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Answer:Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions.
Explanation:
