Ionic compounds form between metals and non metals.
<u>Answer</u>:
The phenomenon of marble cancer is due to ACID RAIN.
<u>Explanation</u>:
The marble corrosion is a process by which the marbles or limestone used in construction of monuments and buildings is corroded away by the acid rain. The sulphur-dioxide and nitrogen oxides present in the atmosphere undergoes certain chemical reaction causing this acid rain. These chemical in the acid rain converts the calcium present in the limestone or marble into salt.
Also, this marble cancer leads to change the appearance and color. Sometime due to over corrosion the monuments or building causes them disintegrate .Tajmahal is one of the monument affected by marble cancer. the white color of tai mahal is slowly turning into yellow due to this marble cancer.
b. a chemical that cannot be broken down or separated into other chemicals
None of them really sound like the answer, but my best guess would probably be the second one. It doesnt give much info.
Answer:
It can’t displace any more than its volume, assuming there is no external force pushing downwards.
