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#1 A solution was made mixing 2 g of ice tea mix and water. What part of the solution is the water?. The solute. The solvent. A:. B:. The mixture. The mass. C:. D:. The solvent B. The solvent. #2 Which of the following is a pure substance?. steel. solder. A:. B:.

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Presentation Transcript
slide2

#1

A solution was made mixing 2 g of ice tea

mix and water.

What part of the solution is the water?

The solute

The solvent

A:

B:

The mixture

The mass

C:

D:

slide3

The solvent

  • B. The solvent
slide4

#2

Which of the following is a pure substance?

steel

solder

A:

B:

Sodium chloride

milk

C:

D:

slide6

#3

A solution is made of 5 g of salt and 10 mL of

water. What is the MASS of the solution?

15 grams

5 grams

A:

B:

10 grams

Not enough information

C:

D:

slide8

#4

Mass of jar at start 52 g

Mass of jar at end 48 g

How much salt was added to a test tube of water in this

lab when trying to make a solution?

100 grams

4 grams

A:

B:

2.2 grams

9 grams

C:

D:

slide10

#5

How would the students in the previous lab know

that the solution was saturated?

The solution would be

transparent

It would be thick

A:

B:

They could see salt at the bottom of the tube

Add more salt and it would dissolve

C:

D:

slide12

#6

How do we find the solubility of a

certain substance in a certain solvent?

Heat it

Freeze it and mass it

A:

B:

See how much dissolves in the solvent before it is saturated.

Filter it and measure

the filtrate.

C:

D:

slide13

See how much dissolves in the solvent before it is saturated.

  • (This would be approximate.)
slide14

#7

On a chromatogram, a dot of ink did not

change at all when placed in water.

What can you conclude?

The process was not

done correctly.

The ink is insoluble in water.

A:

B:

It is made of only one

Substance.

The dot was too large.

C:

D:

slide16

#8

A dot of blue, orange, purple and red marker

were placed on a chromatogram. Although the

shapes of the ink were different, how could the

forensic scientist know 2 of the markers contained

some of the same EXACT dye.

All markers have at least one of the same

dyes in them.

Two did not react

A:

B:

One small part of the chromatogram of 2 inks looked the same.

Two disappeared from

the paper completely.

C:

D:

slide17

One small

  • part of the 2 chromatograms
  • looked the same.
slide18

#9

If I add salt to ice, which of the following

would probably happen?

The temperature falls, more water freezes.

Temperature rises, ice melts.

A:

B:

Temperature stays the

same, ice melts.

Temperature falls, ice melts.

C:

D:

slide20

#10

If salt is added to boiling water, which of the

following is probably the temperature

of the boiling solution?

101 F

100 C

A:

B:

200 C

104 C

C:

D:

slide21

D.

104 C

slide22

#11

Which of the following occurs

when salt water is boiled?

Water evaporates

Water dissolves

A:

B:

Water dries

Salt disappears

C:

D:

slide23

Water

  • evaporates
slide24

#12

Which of the following will pass

through a filter leaving little or

nothing behind.

Obvious mixtures

All solutes

A:

B:

Cloudy liquids

Solutions

C:

D:

slide26

#13

Zinc oxide and water when filtered,

left behind a white powder in the filter

and just the water in the test tube. What is the

white powder in the filter called?

Filtrate

Residue

A:

B:

Solution

Solute

C:

D:

slide28

#14

Which of the following is a good observation

of the properties of a substance?

It is a white crystalline solid that is soluble in water and non-magnetic

It looks like white sugar.

A:

B:

It looks like either sugar or salt because it is white and solid.

It is crystals

C:

D:

slide30

#15

Which of the following is NOT a

Characteristic property of matter?

Melting/freezing point

Density

A:

B:

Mass

Solubility

C:

D:

slide31

C.

MASS!!!!

slide32

Great Job!!!!

Thank you for playing!