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CHGO15_FINALS

Total questions: 30

Worksheet time: 29mins

Name
Class
Date
1.
Two or more substances that are mixed together but not chemically combined is a ___
a)
compound
b)
mixture
c)
keratin
d)
chromatography
2.
Two or more substances that are chemically combined is a ___
a)
compound
b)
mixture
c)
solvent
d)
solute
3.

What is chromatography?

a)

A way to see pretty colors

b)

A laboratory technique used to separate a mixture.

c)

A form of distillation

4.

Two or more substances that are mixed together but not chemically combined create a...

a)

solvent

b)

compound

c)

mixture

5.

Mobile phase is

a)

a solid or liquid that is fixed in place

b)

one that moves over or through an immobilized phase that is fixed in place in a column or on the surface of flat plate

c)

a process in which species are washed through a chromatographic column by addition of fresh solvent

d)

is the time interval btw its injection onto a column and the appearance of its peak at the other end of the column

6.

It is a technique or method used to separate mixtures of dissolved chemicals/substances.

a)

chromatography

b)

solution

c)

chromatogram

d)

evaporation

7.

Q. Chromatography is generally used for the separation of mixtures based on the differences in their

a)

shape

b)

size

c)

structure

d)

all of the above

8.

The distance travelled by the compound depends on how soluble it is in the chosen solvent.

a)

TRUE

b)

FALSE

9.

An organic compound is generally any chemical compound that contains...

a)

Hydrogen

b)

Potassium

c)

Boron

d)

Carbon

10.

What is a type of an organic compound?

a)

Protein

b)

Sugar

c)

Fresh Vegetables

d)

Plants

11.
Which are the four organic compounds found in living things?
a)
Carbohydrates, Lipids, Proteins, Nucleic Acids
b)
Fats, Proteins, Atoms, Osmosis
c)
Eating, Sleeping, Breathing, Talking
d)
Anything without Carbon in it
12.
What makes something inorganic
a)
It does not contain Hydrogen
b)
It contains Carbon
c)
It does not contain Carbon and Hydrogen
d)
It has more than one element
13.

It is not soluble in water

a)

organic compound

b)

inorganic compound

14.

Which type of compound is NOT made from living matter?

a)

Organic

b)

Inorganic

15.

Water

a)

organic matter

b)

inorganic matter

16.

Sand

a)

organic matter

b)

inorganic matter

17.
The _____is the part that gets dissolved. 
a)
solute 
b)
solvent 
c)
solution 
d)
Sacajawea 
18.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 
19.
A solution is a ________ mixture. 
a)
heterogeneous 
b)
homogeneous 
c)
dumb 
d)
mixed 
20.
The universal solvent is ______. 
a)
sodium 
b)
acid 
c)
water 
d)
wind 
21.
This is the part of the solution that does the dissolving. 
a)
solute
b)
solvent 
c)
salt water 
d)
First Continental Congress 
22.
Solubility is a ________ property. 
a)
neat 
b)
chemical 
c)
physical 
d)
an organic 
23.

The ______ is the smaller part of the solution.

a)

solute

b)

solvent

c)

system of a down

24.
Is this chemical formula Organic or Inorganic?
CHO2
a)
Organic
b)
Inorganic
25.
Which of the following Chemical Formulas is Organic?
a)
NaCl2
b)
H2O
c)
Fe3Br
d)
KCL
26.
Which of the following is a Chemical Change?
a)
Cutting your Hair
b)
Ice Cream Melting
c)
Iron Rusting
d)
Chewing your Food
27.

Often undergo fast chemical reactions

a)

Inorganic compounds

b)

Organic compounds

28.

Carbon can form the follwin, except ____________________

a)

4 single covalent bonds

b)

2 single and 1 double bond

c)

2 double bonds and 1 single bond

d)

1 single and 1 triple bond

29.

_______________ molecules are made of entirely carbon-carbon single bonds

a)

Saturated hydrocarbons

b)

Unsaturated hydrocarbons

30.

_________________ molecules contain at least one carbon-carbon double bond or carbon-carbon triple bond.

a)

Saturated hydrocarbons

b)

Unsaturated hydrocarbons

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