Chemistry C3 QUIZ - FOUNDATION

A quiz created for people sitting the Chemistry Unit 3 Foundation Tier tomorrow. Like me.

Good Luck!

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  • Created by: Matthew
  • Created on: 23-05-12 17:29
Hydrochloric acid is acidic. This is because it contains:
H+ ions
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Sodium hydroxide soloution is alkaline. This is because it contains:
OH- ions
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Barium ions burn with a:
Apple-Green flame
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Sodium ions burn with a:
Yellow flame
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Carbonates react with dilute acids to form CO2 gas. This turns limewater:
Milky
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Al3+, Ca2+, and Mg2+ ions all form a:
White precipitate
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Surfaces of organic compounds, when burned in air will:
Char
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If bromine water is shaken with an unsaturated organic compound it would change from:
Brown to colourless
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Instrumental methods are the best option for identifying elements and compounds because:
They are very accurate
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In an exothermic reaction,
Energy is lost
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This means that:
The products have less energy than the reactants.
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Breaking bonds is an:
Endothermic process
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What type of food will provide the most energy:
Fats + Oils
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One calorie is equal to:
4.2 joules
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Relative amounts of energy produced my food can be measured by:
Calorimetry
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Hard water can result in extra costs for heating elements in appliances as it forms scale. This is because of its:
Ca2+ and Mg2+ ions
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Hard water is often said to be good for human health as it's ion content helps:
Reduce the risk of heart disease
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Hardness can be removed from water by:
passing it through an ion-exchange column
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Most covalent compounds are:
Insoluble
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Clouds are formed when water vapor rises higher and cools. This is called:
Condensation
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Group 7 elements are called:
The Halogens
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The elements in group one's melting points:
Decrease as you go down the group.
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When testing for Iron(II) ions, Fe2+, you will add:
sodium hydroxide
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When testing for Sulfate ions, SO42-, you should add:
Barium chloride
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Halogens react with metals to produce:
ionic salts
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if a metal hydroxide is dissolved in water,
an alkaline soloution is produced
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Dimitri Medeleev's periodic table was more readily accepted because:
He left gaps for new elements to be discovered.
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Other cards in this set

Card 2

Front

Sodium hydroxide soloution is alkaline. This is because it contains:

Back

OH- ions

Card 3

Front

Barium ions burn with a:

Back

Preview of the front of card 3

Card 4

Front

Sodium ions burn with a:

Back

Preview of the front of card 4

Card 5

Front

Carbonates react with dilute acids to form CO2 gas. This turns limewater:

Back

Preview of the front of card 5
View more cards

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