Topic 1 C3

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  • Created by: Nasra
  • Created on: 07-05-13 18:17
What is qualitative analysis?
Any method used to determine what chemicals are presen e.g using indicator to find out if acids are present
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What is quantitative analysis?
Any method used to determine the amount of a particular acid present for e.g acid-base titrations
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What colour will a flame go if sodium is present in a flame test?
yellow
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What colour will a flame go if potassium is present in a flame test?
lilac
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What colour will a flame go if copper is present in a flame test?
blue-green
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What colour will a flame go if calcoum is present in a flame test?
Brick red?
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Sodium hydroxide is added to a solution of the ionic substance to test for what?
Metal ions
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What colour will the precipitate be if Cu2+ ions are present
Blue precipitate
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What colour will the precipitate be if Fe2+ ions are present
Green precipitate
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What colour will the precipitate be if Fe3+ ions are present
Brown precipitate
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What colour will the precipitate be if AL3+ ions are present
White precipitate
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What colour precipitate do calcoum ions make if sodium hydroxide is added to them?
A white precipitate
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Aluminium ion form aluminium hydroxide which dissolves in excess sodium hydorxide to form what?
Sodium Aluminate NaALO2
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What is the test for halide ions
dilute nitric acid and silver nitrate solution are added to the ionic substance
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If an ionic substance contains the ionic substance chloride (cl-) what colour will the precipitate go?
white precipitate
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If an ionic substance contains the ionic substance bromide (br-) what colour will the precipitate go?
pale yellow precipitate
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If an ionic substance contains the ionic substance iodide (I-) what colour will the precipitate go?
yellow precipitate
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When sodium hydroxide is added to NH4+ ions ammonia gas is given off,how do you test for ammonia gas?
damp red litmus paper will turn blue if ammonia gas is present
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Why does water purity need to be carefully monitored?
*Hard water will produce high levels of scum which can impact on industrial and domestic machinery such as washing machines *acidic water could result in high levels of gastointestinal related illnesses if used for drinking water
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Why does purity of water need to be carefully monitored?
*If water is polluted with halogens it could interere with some chemical reactions used in the industry
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How is the hardness of water checked?
By determining which impurities are present (qualitative analysis)
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How is the acidity of water checked
pH level
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Simple ion tests can be carried out on the blood to check for a mineral defiency.A device called a flame themometre is used for flame tests
.
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How is the mineral calcium tested for
flame test
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What is the function of calcium?
Healthy bones,Muscle contractions,Brain functions,Blood clotting
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How is the mineral potassium tested for?
Flame test
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What is the function of potassium?
regulates blood pressure,healthy heart
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How is the mineral copper tested for?
Flame test
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What is the function of copper?
Growth and development
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How is the mineral sodium tested for?
flame test
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What is the function of sodium?
Transmitting electrical(nervous) impulses
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How is the mineral chlorides tested for?
halide test
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What is the function of chlorides
Fluid blance
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How is the mineral iodides tested for
halide test
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What is the function of iodides?
Thyroid functions
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When sodium hydroxide is added to NH4+ ions ammonia gas is given off,how do you test for ammonia gas?
damp red litmus paper will turn blue if ammonia gas is present
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Why does water purity need to be carefully monitored?
*Hard water will produce high levels of scum which can impact on industrial and domestic machinery such as washing machines *acidic water could result in high levels of gastointestinal related illnesses if used for drinking water
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Why does purity of water need to be carefully monitored?
*If water is polluted with halogens it could interere with some chemical reactions used in the industry
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How is the hardness of water checked?
By determining which impurities are present (qualitative analysis)
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How is the acidity of water checked
pH level
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Simple ion tests can be carried out on the blood to check for a mineral defiency.A device called a flame themometre is used for flame tests
.
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How is the mineral calcium tested for
flame test
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What is the function of calcium?
Healthy bones,Muscle contractions,Brain functions,Blood clotting
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How is the mineral potassium tested for?
Flame test
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What is the function of potassium?
regulates blood pressure,healthy heart
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How is the mineral copper tested for?
Flame test
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What is the function of copper?
Growth and development
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How is the mineral sodium tested for?
flame test
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What is the function of sodium?
Transmitting electrical(nervous) impulses
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How is the mineral chlorides tested for?
halide test
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What is the function of chlorides
Fluid blance
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How is the mineral iodides tested for
halide test
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What is the function of iodides?
Thyroid functions
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Other cards in this set

Card 2

Front

What is quantitative analysis?

Back

Any method used to determine the amount of a particular acid present for e.g acid-base titrations

Card 3

Front

What colour will a flame go if sodium is present in a flame test?

Back

Preview of the front of card 3

Card 4

Front

What colour will a flame go if potassium is present in a flame test?

Back

Preview of the front of card 4

Card 5

Front

What colour will a flame go if copper is present in a flame test?

Back

Preview of the front of card 5
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