Just choice D.
If you find the number of atoms of each element, you will find that only choice D has the same amounts on each side of the equation.
Answer:
Pink
Explanation:
Because at first its orange then neutral its pink
The compound is Al2O3. The ratio of aluminum to oxygen is 2:3.
The products for the complete combustion of a hydrocarbon in excess air is carbon dioxide and water. Any hydrocarbon when reacted with oxygen will always yield the said products. Incomplete combustion, on the other hand, yields carbon monoxide and water.