What is similar 2 Al + 3Cl2 → 2 AlCl3
4Fe+302 → 2 Fe2O3
2 Be + 02 → 2 BeO
2 Na + S → Na2S

The equation of these reactions is a synthesis or combination reaction

Given

Reactions

Required

The similarity

Solution

The reactions above occur from two components (elements or molecules) that react to form 1 compound.

This reaction characteristic is said to be a synthesis reaction or a combination reaction

The general formula for this reaction :

A + B ⇒ AB

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.