Q2. Here is the word equation for a chemical reaction. magnesium
+
zinc oxide
magnesium oxide
+
zinc
Write down everything that the word equation tells you about the reaction
(Total 4 marks)

How far is the region from the equator or control climate

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?

What is the effect of returning nuclear reactor cooling water back into bodies of water?