Identify The Chemical Part 4 Quiz

Identify The Chemical Part 4 Quiz begins with an old piece of human trivia that predates modern science. Long before chemistry had names and formulas, people discovered that leaving crushed fruits or grains alone could quietly change them into something entirely new. The fermentation of sugar was observed as bubbles formed and a sharp smell developed, even though no one knew why. Much later, it was understood that this slow process creates alcohol while releasing carbon dioxide into the air. The quiz builds curiosity around such everyday transformations, showing how simple reactions shaped food, drink, and discovery. That early observation of fermentation helped people understand gases, preservation, and change long before laboratories existed, making it one of chemistry’s most naturally discovered processes.

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Launch Identify The Chemical Part 4 Quiz

Identify The Chemical Part 4

Which metal has a silvery appearance and is used to coat iron to prevent rusting?

Which substance is colourless, odourless, and has a neutral pH?

Which metal floats on water and reacts vigorously with it?

Which gas is produced during the fermentation of sugar?

Which gas is commonly used to fill electric bulbs?

Which metal is least reactive among the following?

Which substance gives a pink colour with phenolphthalein?

Which gas is poisonous and produced by incomplete combustion of fuels?

Which metal reacts slowly with air to form a protective oxide layer?

Which substance turns iodine solution blue-black?

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Sample Questions from This Quiz

  1. Which metal has a silvery appearance and is used to coat iron to prevent rusting?
  2. Which substance is colourless, odourless, and has a neutral pH?
  3. Which metal floats on water and reacts vigorously with it?
  4. Which gas is produced during the fermentation of sugar?
  5. Which gas is commonly used to fill electric bulbs?

Try the full quiz and see how many of these you can answer!

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