Test for Cations

1. 1What metal ion burns with a crimson-red flame?

   1. ASodium
   2. BLithium
   3. CPotassium
2. 2What metal ion burns with a yellow-orange flame?

   1. ASodium
   2. BCalcium
   3. CLithium
3. 3What metal ion burns with a lilac flame?

   1. ACalcium
   2. BPotassium
   3. CLithium
4. 4What metal ion burns with a brick-red flame?

   1. APotassium
   2. BSodium
   3. CCalcium
5. 5When sodium hydroxide is mixed with an unknown compound you get a BLUE coloured precipitate, what is the metal?

   1. AIron (II)
   2. BCopper (II)
   3. CIron (III)
6. 6What metal is it if you get a sludgy green precipitate?

   1. AIron (III)
   2. BCopper (II)
   3. CIron (II)
7. 7What metal is it if you get a reddish brown precipitate?

   1. AIron (III)
   2. BIron (II)
   3. CCopper (II)
8. 8What is the colour change of damp litmus paper if ammonia gas is present?

   1. ABlue ----> Pink
   2. BRed ----> Blue
   3. CRed ----> Green

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Quiz on Test for Cations, created by amybutler1998 on 12/04/2014.

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amybutler1998

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