We think that stone age / bronze age man discovered iron by accident . Man must have used fire and probably had a firepit which was used every day. Over time charcoal ( which is mainly carbon) would have built up. Ancient man probably used rocks to contain his firepit. It seems possible that some of these rocks were iron bearing rock...

CP 2CP3CP6CP9CP11CP13a CORE PRACTICAL 2: Prepare a standard solution from a solid acid and use it to find the concentration of a solution of sodium hydroxide Enter your text here ... This video shows the preparation of a standard solution of sodium carbonate.  What mass of solid acid would be needed to prepare the same quantity of dilute ...

more reactive metals will displace less reactive metals e.g the furry worm

In the "furry worm" experiment the reactive magnesium metal reduces the less reactive copper.   In this post we are going to investigate how metals can be used to make electric (voltaic) cells.  A reactive metal will transfer electrons to a less reactive metal. This can happen directly as in a displacement reaction or we can set thin...

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