1767714
Descrição
Quiz por ScarletFox, atualizado more than 1 year ago
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Criado por ScarletFox
aproximadamente 10 anos atrás
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Questão 1
Responda
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Dying hair
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Boiling water
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Chopping wood
Questão 2
Questão
Changing a solid into a gas is called...?
Responda
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Solidification
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Deposition
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Sublimation
Questão 3
Questão
Condensation is when...
Responda
-
When a liquid is cooled enough to change from a liquid to a solid
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When gas cools and becomes a liquid
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When liquid is warmed and becomes a gas
Questão 4
Questão
Dissolving is when a solid is dissolved into liquid.
Responda
- True
- False
Questão 5
Responda
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Colour Change
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Gas Formation (Bubbles or smell)
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New substance being formed
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Heat or Light is produced
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Dissolves
Questão 6
Questão
Endothermic Change...
Responda
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Absorbs energy from its surroundings. If it occurs in a test tube, the test tube will feel cold because the reaction absorbs heat from your skin.
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Gives off energy in the form of heat, light & sound.
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Gives you Frostbite
Questão 7
Questão
Everything is made from...
Responda
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Cells
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Molecules
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moving light particles
Questão 8
Questão
Particles move faster because of heat and they need more room to cool down.
Responda
- True
- False
Questão 9
Questão
A solvent is...
Responda
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The liquid in a solution
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The solid dissolving in the solution
Questão 10
Questão
Density is the weight of an object.
Responda
- True
- False
Questão 11
Questão
Density is found by...
Responda
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Dividing Mass by Volume
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Dividing Volume by Mass
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Multiplying Mass by Volume
Questão 12
Questão
Ethanol is denser than water.
Responda
- True
- False
Questão 13
Questão
Molecules are made up from...
Responda
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Cells
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Atoms
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More molecules
Questão 14
Responda
- True
- False
Questão 15
Questão
All chemical reaction equations have 2 reactants and 1 or more products.
Responda
- True
- False
Questão 16
Questão
Magnesium Sulfate and Hydrogen Gas are products made from the reactants of...
Responda
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Hydrogen and Magnesium
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Sulfuric Acid and Oxygen
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Magnesium and Sulfuric Acid
Questão 17
Questão
Spontaneous Reactions are reactions that proceed by themselves.
Responda
- True
- False
Questão 18
Responda
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Corrosion of iron
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Corrosion of steel
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A dog
Questão 19
Questão
Ways of preventing rusting are...
Responda
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Coating
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Alloying
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Galvanising
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Painting
Questão 20
Questão
You can write chemical reaction equations in...
Responda
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Words
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Symbols
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Numbers
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