Other questions in this quiz

2. when lithium is burn it produces a __________ flame.

  • pink
  • yellow
  • red
  • lilac

3. when potassium is burnt it produces a ________ flame.

  • lilac
  • blue
  • purple
  • pink

4. soft water takes a ______ amount of soap to create a ______.

  • large, lather
  • small, lather
  • small, froth
  • large, froth

5. harm water forms what?

  • gunge
  • dirt
  • limescale
  • slime

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