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Year 10 Chemistry > C4.2 > Flashcards

C4.2 Flashcards

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1
Q

What is the flame test result for Lithium?

A

Red

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2
Q

What is the flame test result for Sodium?

A

Yellow

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3
Q

What is the flame test result for Potassium?

A

Lilac

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4
Q

What is the flame test result for calcium?

A

Orange-red

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5
Q

What is the flame test result for copper?

A

Green-blue

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6
Q

What colour precipitate is formed when sodium hydroxide is added to an ionic solution containing a Fe(II)?

A

Green

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7
Q

What colour precipitate is formed when sodium hydroxide is added to an ionic solution containing a Fe(III)?

A

Orange-brown

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8
Q

What colour precipitate is formed when sodium hydroxide is added to an ionic solution containing a Cu(II)?

A

Blue

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9
Q

What colour precipitate is formed when sodium hydroxide is added to an ionic solution containing a Ca?

A

White

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10
Q

What colour precipitate is formed when sodium hydroxide is added to an ionic solution containing a zinc?

A

White

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11
Q

How do you detect sulphate ions?

A

Add a few drops of HCl (aq) and then a few drops of BaCl(aq). If a white propitiate is produced, the solution contained sulphate ions.

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12
Q

How do you detect carbonate ions?

A

Add a few drops of HCl(aq) and bubble any gas produced through limewater. If the limewater turns cloudy, carbonate ions were present.

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13
Q

How do you detect halide ions?

A

Add a few drops of nitric acid then a few drops of silver chloride(aq). If a precipitate is produced, chloride, bromide or iodide is present in solution.

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14
Q

What colour precipitate is formed when silver nitrate solution is added to a solution containing chloride ions.

A

White

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15
Q

What colour precipitate is formed when silver nitrate solution is added to a solution containing bromide ions?

A

Cream

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16
Q

What colour precipitate is formed when silver nitrate solution is added to a solution containing iodide ions.

A

Yellow

17
Q

How can you differentiate between calcium hydroxide and zinc hydroxide which are both white solids?

A

Zinc hydroxide dissolves into a colourless solution when an excess of sodium hydroxide is added.

18
Q

What colour flame is needed to perform a flame test?

A

Blue

19
Q

What is the chemical test for chlorine?

A

Damp litmus paper is bleached white when it is placed in chlorine. If damp-blue litmus paper is used, the paper turns red then white.

Year 10 Chemistry (7 decks)

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