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19 Cards in this Set
- Front
- Back
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How do you test for hydrogen |
Squeaky pop test |
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How do you test for chlorine |
Bleaches damp litmus paper |
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how do you test for ammonia |
Turns red Damp litmus paper blue |
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How do you test for oxygen |
Relighting a glowing splint |
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How do you test for carbon dioxide |
Turns Limewater Cloudy |
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How do you test for sodium calcium lithium and potassium |
Flame test |
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What colour flame does lithium give |
Red |
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What colour flame does sodium give |
Persistent Orange |
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What colour flame does calcium give |
Orange-Red (Brick red) |
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what colour flame does potassium give |
Lilac |
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How do you test for Cu2, Fe2 And Fe3 |
With Sodium Hydroxide Solution |
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If a blue percipatate is formed what is it? |
Copper 2 |
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If a brown percipatate is formed what is it? |
Iron 3 |
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If a green percipatate is formed what is it? |
Iron 2 |
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How do you test for a Carbonate? |
Add dilute nitric acid and look for bubbles of gas produced in the cold. |
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How could you make sure it was a Carbonate |
Test with lime water |
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How do you test for sulfates? |
•Make a solution of your suspected sulfate in pure water. •Add dilute Hydrochloric acid to make it acidic •Then add some Barium Chloride Solution •Sulfate will produce white percipitate of Barium Sulfate |
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Why do you Acidify the solutions in the tests for Chlorides,Bromides,Iodides and Sulfates |
To destroy ofmther compounds an that react with the silver nitrate or the Barium Chloride to make a similar percipitate |
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How do you test for Chlorides,Bromides and Iodides? |
•Make a solution of you suspected (Chloride,Bromide or Iodide) •Add dilute nitric acid to acidify •Then add Silver Nitrate to the solution •It will form a White percipitate(Chloride) Cream percipitate(Bromide) or Yellow percipitate(Iodide) |
