The best answer among the following choices would be A) since the other options are NOT nonrenewable energy sources.
Here is your answer
Since, carbon atoms are triple bonded.
So functional group present in the compound is ALKYNE
HOPE IT IS USEFUL
Answer:
B) It turns clear phenolphthalein pink.
Explanation:
KOH is a basic solution.
It turns red litmus paper turns blue.
It turns clear phenolphthalein pink.
The reagent which reacts with metals to form hydrogen gas is acid.
So, the right choice is:
B) It turns clear phenolphthalein pink.
<span>Chemical reactivity of all of the different elements in the periodic table depends on the number of electrons in that last, outermost level, called the valence level or valence shell. In the case of gold, there is only </span>one valence electron<span> in its valence level. Hope I helped! :)</span>
<span>The water molecules that are evaporationg absorb heat energy from the surrounding environment, which causes the evaporation. If 5 grams of water evaporate, then there will be 5 grams of water vapor in the air.
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