Effect of Heat on Salts (1)

Chemistry

Not quite remember

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Colour of zinc carbonate while hot

Yellow

Oxygen gas test

Glowing wooden splinter lights up

Produces a ‘pop’ sound with a lighted wooden splinter

Hydrogen gas test

Limewater becomes cloudy

Carbon dioxide gas test

Ammonia gas test

The damp red litmus paper turns blue

Colour of residue after heating for lead(II) nitrate salt while hot

Brown

The gas released after zinc carbonate is heated

Carbon dioxide gas

Product from the heating of iron(II) sulphate

Iron(III) oxide, sulphur dioxide, sulphur trioxide

Colour of copper(II) sulphate in solution

Blue

Gas released when sodium nitrate is heated

Oxygen gas

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