Answer:The bubbles exhaled by a scuba diver grow as they approach the surface of the ocean. The pressure exerted by the weight of the water decreases with depth, so the volume of the bubbles increases as they rise.
Explanation:
A compound is defined as two or more different elements bonded together in an ionic or covalent bonding arrangement. Any individual compound has a fixed ratio of its elements. The elements do not retain their individual chemical properties. Thus, option "C" is correct.
<h3>What is a compound?</h3>
A substance that has two or more different atoms which are chemically combined with each other in a fixed ratio by mass is known as a compound.
For example,
Here, contains one atom of calcium and two atoms of chlorine which are chemically combined together in 1:2 ratio. Therefore, it is a compound.
Also, both chemical and physical properties of will be different from Ca and chloride.
Thus, option "C" is correct.
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Answer:
A and E for sure.
Explanation:
Can't be B or C, since it is stated in the problem. And probably not D because candy don't have magnetism to them.
You will get at first carbon dioxide by burning C:
Burn hydrogen to obtain water:
Combine them:
Now react it with Ba:
To sum up, the reaction is
, using hydrogen as a catalyst.
