0

How to test water parameter, which includes background information on all substances and advice on how to fix salinity and the pH level of water for it to be safe to drink.

0

To carry out flame tests and a series of chemical reactions in order to devise tests for identifying the following cations in solution where these are the only ions that could be present.

2

Many of you may be looking outside at all those green leaves (or if you’re reading this in the autumn orange and brown!) and wondering why are leaves green? Well let me fill you in!

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Separating silver nitrate from lead nitrate.

6

A lot has been said about extensive farming, but actually the name given to the fact is less than apt. At the least, using extensive as an opposite to intensive seems a weird choice of words.

1

Nitrogen takes up almost 79% percent of the atmosphere. Nitrogen helps our bodies create proteins. Before nitrogen can be useful to organisms it needs to be turned into a nitrate ion. The process in which nitrogen can be turned into a nitrate is called nitrogen fixation.