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Chemistry Further Additional GCSE > Further analysis and quantitative chemistry > Flashcards

Further analysis and quantitative chemistry Flashcards

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1
Q

What colour will a flame test of Lithium compounds show?

A

A crimson flame.

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2
Q

What colour will a flame test of Sodium compounds show?

A

A yellow flame.

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3
Q

What colour will a flame test of Potassium compounds show?

A

A lilac flame.

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4
Q

What colour will a flame test of Calcium compounds show?

A

A red flame.

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5
Q

What colour will a flame test of Barium compounds show?

A

A green flame.

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6
Q

Which elements form white precipitates with sodium hydroxide?

A

Aluminium, Calcium and Magnesium.

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7
Q

Which elements precipitate dissolves in excess sodium hydroxide solution?

A

Aluminium.

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8
Q

Which ions form coloured precipitates with sodium hydroxide?

A

Copper(II), Iron(II) and Iron(III).

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9
Q

What colour precipitate does Copper(II) form with sodium hydroxide solution?

A

A blue precipitate.

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10
Q

What colour precipitate does Iron(II) form with sodium hydroxide solution?

A

A green precipitate.

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11
Q

What colour precipitate does Iron(III) form with sodium hydroxide solution?

A

A brown precipitate.

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12
Q

What reacts with dilute acids to form Carbon Dioxide?

A

Carbonates.

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13
Q

What does carbon dioxide produce a white precipitate with?

A

Limewater. This makes the limewater cloudy.

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14
Q

What type of ions produce precipitates with silver nitrate solution in the presence of dilute nitric acid?

A

Halide ions.

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15
Q

What colour precipitate does chloride make with silver nitrate in the presence of dilute nitric acid?

A

White.

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16
Q

What colour precipitate does bromide make with silver nitrate in the presence of dilute nitric acid?

A

Cream.

17
Q

What colour precipitate does iodide make with silver nitrate in the presence of dilute nitric acid?

A

Yellow.

18
Q

What must be added to sulphate ions to produce a white precipitate?

A

Barium Chloride in the presence of dilute hydrochloric acid.

19
Q

What can be measured by titration using a suitable indicator?

A

The volumes of acid and alkali solutions that react with each other.

20
Q

What can be found when you know the concentration of one of the reactants in a titration?

A

The concentration of the other reactant.

Chemistry Further Additional GCSE (6 decks)

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