|l5 Using the chemicals I we make from salt ai How do we use chlorine? ... This is useful when we want to kill harmful bacteria, but it can also be dangerous. 1 Write down ... (b) Why is it a bad idea to use bleach with brightly coloured clothes?
|Title||:||Chemistry. New Edition|
|Author||:||Jean Martin, Brian Milner|
|Publisher||:||Ernst Klett Sprachen - 2004-08|