Answer:
The second option
Explanation:
I took the quiz and got it correct
<span>Definition of Metallurgy-The branch of science and technology concerned with the properties of metals and their production and purification.</span>
It is an example of a molecule
Answer:
Anhydrous sodium carbonate is stable to heat and does not decompose even when it is heated to redness. This is because sodium carbonate salt on heating with acids react to release carbon dioxide.
Answer:
Solar energy is a renewable free source of energy
Explanation:
It is sustainable and totally inexhaustible, unlike fossil fuels which are finite. It is also a non-polluting source of energy and it does not emit any greenhouse gases when producing electricity.
