Answer:
Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon), though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.
Answer:
Answers with the explanation.
Explanation:
Surprisingly all of the answers were C for some reason:
14. C (Extensive Properties include mass, volume and length)
15. C (Boiling/Melting/Freezing point are examples of physical change)
16. C (Malleability is how bendable an object is, therefore a physical change)
17. C (For Example, Water only forms Water Vapor when it´s heated up)
Answer:
When things burn, it looks like they are destroyed, but during any chemical reaction no particles are created or destroyed. The atoms in fuels are simply rearranged from the reactants to the products during combustion.
Explanation:
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