Choose from the list of compounds to answer these questions. ammonia ethanol glucose magnesium chloride magnesium oxide methane nitrogen dioxide phosphorus(V) chloride poly(ethene) sodium bromide water Each compound may be used once, more than once or not at all. Identify the compound that:

1. (a)is a waste gas from digestion in animals[1]
2. (b)turns blue cobalt(II) chloride pink[1]
3. (c)reacts with ethene above 100°C to produce ethanol[1]
4. (d)is a product of photosynthesis[1]
5. (e)contains an anion with a charge of –2.[1]