Answer:
MnO2 M n O 2 is an ionic substance without any oxo-anions, therefore its name has the -ide ending.
-NH2 is the most favorable for the reaction
The main difference between a square and a trapezoid is that a square has two pairs of parallel sides, while a trapezoid only has one
Wood sinks in ethanol => wood has higher density than ethanol.
wood floats in gasoline=> wood has lower density than gasoline
