Match the colours of the salts with their chemical formulae.

Blue

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Green

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Pink

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Dark green

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Solution

Salt Chemical name Colour

$C u S O_{4} .5 H_{2} O$ Copper sulphate pentahydrate Blue

$Z n S O_{4} .7 H_{2} O$ Zinc sulphate heptahydrate White

$C o C l_{2} .6 H_{2} O$ Cobalt chloride hexahydrate Pink

$C r C l_{3} .6 H_{2} O$ Chromium chloride hexahydrate Dark green

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Salt	Chemical name	Colour
$C u S O_{4} .5 H_{2} O$	Copper sulphate pentahydrate	Blue
$Z n S O_{4} .7 H_{2} O$	Zinc sulphate heptahydrate	White
$C o C l_{2} .6 H_{2} O$	Cobalt chloride hexahydrate	Pink
$C r C l_{3} .6 H_{2} O$	Chromium chloride hexahydrate	Dark green

Match the colours of the salts with their chemical formulae.

Salt Chemical name Colour CuSO4.5H2O Copper sulphate pentahydrate Blue ZnSO4.7H2O Zinc sulphate heptahydrate White CoCl2.6H2O Cobalt chloride hexahydrate Pink CrCl3.6H2O Chromium chloride hexahydrate Dark green

Salt Chemical name Colour

$C u S O_{4} .5 H_{2} O$ Copper sulphate pentahydrate Blue

$Z n S O_{4} .7 H_{2} O$ Zinc sulphate heptahydrate White

$C o C l_{2} .6 H_{2} O$ Cobalt chloride hexahydrate Pink

$C r C l_{3} .6 H_{2} O$ Chromium chloride hexahydrate Dark green