Have an account?
Skip to Content
Build your own quiz
20 questions
Show Answers
See Preview
- 1. Multiple Choice
Dry ice is solid carbon dioxide, or CO2. Dry ice may be used as a cooling agent and contains two oxygen atoms bonded to a carbon atom. Dry ice is a ___________________ .
pure substance
mixture
- 2. Multiple Choice
Instant coffee is made by dissolving a powder in hot water. Instant coffee is a ___________________ .
pure substance
mixture
- 3. Multiple Choice
Baking soda is the common name for sodium bicarbonate, or NaHCO3. It can be produced through chemical reactions involving carbon dioxide and sodium hydroxide.
pure substance
mixture
- 4. Multiple Choice
Cake batter is a substance that may contain flour, eggs and sugars mixed by hand or with an electric mixer. Cake batter is a ___________________ .
pure substance
mixture
- 5. Multiple Choice
Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________
pure substance
mixture
- 6. Multiple Choice
Methane contains one atom of carbon and four atoms of hydrogen that are chemically bonded. It is a main component of natural gas. Methane is a ___________________ .
pure substance
mixture
- 7. Multiple Choice
Chalk is a mineral found in rocks. It contains carbon, oxygen and calcium atoms. Chalk is a ___________________ .
element
compound
- 8. Multiple Choice
Nickel has the chemical symbol Ni and atomic number 28. It is a silvery-white metal and cannot be broken down physically or chemically into a more simple substance. Nickel is a ___________________ .
element
compound
- 9. Multiple Choice
Ammonia is a colorless gas with the formula NH3. Ammonia contains hydrogen and nitrogen and cannot be broken down physically. Ammonia is a ___________________ .
element
compound
- 10. Multiple Choice
The noble gases are a group of six substances with similar properties. They are odorless, colorless gases with low reactivity. They are group 18 on the periodic table. Each noble gas is a(n) _______ .
element
compound
heterogeneous mixture
homogenous mixture/solution
- 11. Multiple Choice
In the lab, Maya is using a substance that has a chemical formula and contains two different elements. Maya’s substance is a(n) _______ .
element
compound
heterogeneous mixture
homogenous mixture/solution
- 12. Multiple Choice
Granite is an igneous rock that contains the minerals quartz, feldspar, mica and others. The exact composition will vary from sample to sample. Granite is a(n) _______ .
element
compound
heterogeneous mixture
homogenous mixture/solution
- 13. Multiple Choice
What two types of matter are pure substances?
elements and solutions
compounds and mixtures
elements and compounds
mixtures and solutions
- 14. Multiple Choice
Mixtures that have the same composition throughout are...
heterogeneous
homogeneous
elements
pure substances
- 15. Multiple Choice
Chex mix contains pretzels, rye chips and chex cereal. It is an example of a(n)
solution/ homogeneous mixture
heterogeneous mixture
element
compound
- 16. Multiple Choice
Kool aid, a liquid containing water mixed evenly with kool aid powder is a
element
compound
heterogeneous mixture
solution
- 17. Multiple Choice
Kool aid contains kool aid powder dissolved in water. What is the solvent in Kool aid?
water
Kool aid powder
- 18. Multiple Choice
Kool aid is a solution containing kool aid powder dissolved in water. Which is the solute in this homogeneous mixture?
kool aid powder
water
- 19. Multiple ChoiceCarbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –a gas at room temperature.made of two different elements.given off by green plants.
- 20. Multiple ChoiceCompounds are different than elements because compounds are -A combination of two or more elements.
B)not able to be broken down into partsmade from the same type of atomsa pure substance, elements are not - Answer choicesTagsAnswer choicesTags