Elements, Compounds, Mixtures
24 Questions
Settings
-
+
Are you looking at a element, compound, or mixture (homogeneous or heterogeneous?
Questions and Answers
- 1.An alloy is:
- A.
A compound
- B.
A solution metals
- C.
A solution of gases
- D.
Element
- 2.In sweetened tea is considered a
- A.
Element
- B.
Homogeneous mixture (solution)
- C.
Compound
- D.
Heterogeneous mixture
- 3.The substance that does the dissolving (the tea), is called a
- A.
Solute
- B.
Solvent
- C.
Solution
- 4.Sodium (Na) is considered an
- A.
Element
- B.
Homogeneous mixture
- C.
Compound
- D.
Heterogeneous mixture
- 5.A mixture is two or more substances. It __________ be separated?
- A.
Can
- B.
Can not
- 6.Are mixtures chemically combined?
- A.
Yes
- B.
No
- 7.An Element is a simple pure substance. It __________ be separated?
- A.
Can
- B.
Can not
- 8.A _______________ is two or more different elements that are chemically combined.
- A.
Element
- B.
Compound
- C.
Mixture
- 9.A compound __________ be separated by physical change?
- A.
Can
- B.
Can not
- 10.Are compounds chemically combined?
- A.
Yes
- B.
No
- 11.Carbon Dioxide (CO2) is made of elements.
- A.
True
- B.
False
- 12.An element can be broken down by physical or chemical means.
- A.
True
- B.
False
- 13.Elements, compounds and mixtures are pure substances.
- A.
True
- B.
False
- 14.
- A.
True
- B.
False
- 15.One example of changing a substance chemically is:
- A.
Filtering it
- B.
Burning it
- C.
Boiling it
- 16.A person may put the following compound on his or her french fries:
- A.
NaCl
- B.
Sn
- C.
HCl
- D.
K
- 17.If a solute is unable to be dissolved in a given solvent, the solute is said to be:
- A.
Indissolveable
- B.
Soluble
- C.
Insoluble
- 18.If a drink container tells you to "SHAKE WELL" before drinking, the mixture in the container is most likely a:
- A.
Homogeneous mixture (Solution)
- B.
Heterogeneous mixture
- C.
Compound
- D.
Element
- 19.A _________ ____________ is made of only one type of particle.
- A.
Pure substance
- B.
Compound
- C.
Solution
- D.
Homogeneous mixture
- 20.Click ALL the ways to speed up dissolving:
- A.
Stirring
- B.
Boiling
- C.
Freezing
- D.
Heating
- E.
Filtering
- F.
Crushing
- G.
Burning
- H.
Nothing
- 21.What kind of reaction is it when ice melts?
- A.
Endothermic
- B.
Exothermic
- 22.What is the universal solvent?
- 23.
- 24.Milk from the farm and smog represent what type of mixture?
Back to top