Answer:
The first question is option 2
and the second question in option 1
Explanation:
I think its 3 precipitation.
B .combustion because HOH and CO2 are the products of complete combustion
B - False. The crystals have the same internal arrangement of atoms in the same species. For example, all crystals of quartz (Onion, Amethyst, Citrine, Smoky) have the same trigonometrical arrangement.
the atoms in salt (NaCl) are arranged in a cubic way.
