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Welcome to our world of fun trivia quizzes and quiz games:
The Very Colourful Chemistry Quiz
"Have you ever wondered what makes an orange orange? Or what makes rubies red? Take this quiz and find out!"
15 Points Per Correct Answer - No time limit
What is the name of the pigment that gives the green colour to plants?
This metal oxide is often added to paint to make it bright white.
What is the pigment in the skin of oranges that gives it the orange colour?
Henna has been used since ancient times to dye hair. But what is the compound present in henna that creates the red colour?
What is the name of the pigment present in hair that gives it a dark colour?
This dye can be obtained from the woad plant and has been used for centuries as a blue colourant.
What is the name of the pigment that gives tomatoes their red colour?
The gemstones ruby and sapphire are both forms of aluminium oxide - alumina (Al2O3). Their different colours are caused by metal ion impurities replacing aluminium ions at random points throughout the structure. Which metal ion impurity is responsible for ruby's red colour?
iron 3+ and titanium 4+
This expensive spice has a beautiful yellow colour and is used not only in food, but also as a dye.
What is the name of the red stain obtained from cochineal insects?
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Compiled May 23 13