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Science topic- Mixtures > Topic - Mixtures > Flashcards

Topic - Mixtures Flashcards

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0
Q

Give examples of mixtures?

A

Paint,Drinks,Food, Air, Seawater

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1
Q

What is a mixture?

A

Two or more substances or chemicals that have been mixed together.

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2
Q

Can you separate a mixture?

A

YES.

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3
Q

What is a substance that can be dissolved?

A

A Soluble

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4
Q

Give an example of a soluble?

A

SUGAR.

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5
Q

What is a substance that does not dissolve?

A

INSOLUBLE

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6
Q

When things mix really well
For example : Sugar and Water
What is this mixture known as?

A

A Solution.

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7
Q

What is a solute?

A

A substance that dissolves?

Eg Sugar

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8
Q

What is a solvent?

A

A substance that dissolves the solute.

Eg: Water

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9
Q

When you release a soft drink lid, what gas bubbles to the surface?

A

Carbon Dioxide Gas

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10
Q

Give an example of a solid dissolved in liquid?

A

Sugar dissolved in Water

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11
Q

Give an example of a liquid dissolved in another liquid?

A

Detergent dissolved in water.

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12
Q

Give an example of a gas dissolved in liquid?

A

Oxygen gas dissolved in water.

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13
Q

Give an example of a gas dissolved in another gas?

A

Water vapour dissolved in air gases

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14
Q

What is an Aqueous Solution ?

A

It is a solution that has water as it’s solvent.

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15
Q

What is the name of the solution that has water as it’s solvent?

A

Aqueous Solution

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16
Q

Will water dissolve detergent?

A

YES.

17
Q

Will water dissolve oil?

A

NO.

18
Q

Will grease dissolve in water?

A

NO.

19
Q

Are solutions transparent?(see through)?

A

YES.

20
Q

What does a transparent solution mean?

A

You can see through it

21
Q

How do you know when a solution has been formed?

A

You can see through it.

22
Q

Can solutions be colourless?

A

YES.

23
Q

Can solutions be coloured?

A

YES.

24
Q

Give two types of a solution and give an example?

A

Solid dissolved in liquid.
Example :sugar dissolved in water.

Liquid dissolved in another liquid.
Example :detergent dissolved in water

25
Q

Are colourless And clear solutions the same?

A

NO.

26
Q

What does colourless mean?

A

It is not coloured.

27
Q

Define the term ‘concentrated solution’

A

It’s when a lot of solute is dissolved in the solvent.

28
Q

Is a solution with little solute in the solution a concentrated or dilute solution?

A

A Dilute solution.

29
Q

If a cup of tea had four spoonful of sugar, would it be a dilute solution or concentrated solution?

A

Concentrated.

30
Q

Imagine if you had a glass of water and kept adding spoonfuls of salt and stirring each time. You would find the salt would eventually stop dissolving.When a substance no longer dissolves in the solvent what is it said to be?

A

Saturated

31
Q

When undissolved solute falls to the bottom what does it become?

A

A Sediment.

32
Q

Does sand dissolve when mixed with water?

A

NO.

33
Q

What type of mixture is called a suspension?

A

When a solute stays solid and spreads through the water or solvent.

34
Q

Why would sand not dissolve but sink to the bottom?

A

Because it’s to heavy and large to stay in suspension.

Another EG:dust in the air eventually drops and settles on the floor.

35
Q

A type of mixture in which one substance does not dissolve in another but quickly spreads out to form a sediment…..what is the correct name for this mixture?

A

A saturated mixture.

36
Q

A clear mixture in which a substance dissolves in another?

A

A soluble.

37
Q

Is dust in the air a solution or suspension?

A

A suspension

38
Q

Is cordial in water a solution or suspension?

A

Solution.

39
Q

Identify a solvent that will dissolve

A. Sugar
B. Grease

A

Sugar

40
Q

A chef dissolved salt in boiling water that he was going to cook pasta in. Identify whether the salt,water or salty water was the
A.Solute
B.sovent
C.Aqueous solution

A

Aqueous Solution.

Science topic- Mixtures (1 decks)

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