Friday, 27 July 2018

specific study in physical and chemical change


physical change- ice melting and water boiling
chemical change- bread turning into toast and cooking an egg
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Friday, 6 July 2018

Explain what filtration and evaporation is

Filtration works because any tiny dissolved molecule particles OR the liquid molecules are too small to be filtered and pass through the filter paper with the equally tiny water molecules. Evaporation means a liquid changing to a gas or vapour.Image result for filtration and evaporationImage result for filtration and evaporation