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Specialty, Other Sciences
6th -
8thgrade
Elements, Compounds & Mixtures Gr7
20 questions
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- 1. Multiple ChoiceA pure substance...is an element or a compoundis an element or a mixtureis a compound or a mixtureis a mixture
- 2. Multiple Choice
A substance made up of two or more chemically combined elements is a/an ...
element
mixture
molecule
solution
- 3. Multiple Choice
A substance that cannot be broken down into any other substance by ordinary chemical means is called a/an
molecule
mixture
element
compound
- 4. Multiple Choice
Two or more physically combined substances form ...
a compoud
an acid
an element
a mixture
- 5. Multiple Choice
A substance made of only one type of atom is called ...
an element
a mixture
a compound
a salt
- 6. Multiple ChoiceWhich of the following is a way in which elements and compounds are similar?Elements and compounds are pure substances.Elements and compounds are both made up of different kinds of atoms.Elements and compounds can both be broken down by physical means.Elements and compounds are listed on the periodic table.
- 7. Multiple ChoiceWhat is an example of an element?OxygenPure waterAirTable salt
- 8. Multiple Choice
Two or more substances in the same place but NOT chemically combined or in a specific ratio is called ...
a compound
a pure substance
an element
a mixture
- 9. Multiple Choice
Which is an example of a mixture?
Table salt
Water
Oxygen
Air
- 10. Multiple Choice
A substance made up of two or more chemically combined different elements is a/an ...
element
mixture
molecule
compound
- 11. Multiple Choice
Italian dressing is an example of a ..... mixture.
homogeneous
heterogeneous
- 12. Multiple Choice
Cereal is an example of a ..... mixture.
Homogeneous
Heterogeneous
- 13. Multiple Choice
A heterogeneous mixture is ...
is a liquid mixture
is one that consists of one type of substance.
is one that consists of two or more substances. It is non-uniform and the different components of the mixture can be seen.
a mixture that has a definite composition, and specific properties, whereby the different parts cannot be seen.
- 14. Multiple ChoiceThis picture represents which of the following?ElementCompoundMixture
- 15. Multiple ChoiceThis picture represents which of the following?elementcompoundmixture
- 16. Multiple Choice
What is NOT a method to speed up the dissolving of sugar solution?
Stir faster with a spoon
Heat up the sugar solution
Add in bigger pieces of sugar
Add in smaller pieces of sugar
- 17. Multiple Choice
A _______ is a mixture in which particles will settle out.
suspension
colloid
compound
solvent
- 18. Multiple ChoiceWhat type of mixture separates upon standing?SolutionAlloyColloidSuspension
- 19. Multiple ChoiceIf an unknown substance CANNOT be broken down into simpler substances, it isa compoundan elementa homogeneous mixturea heterogeneous mixture
- 20. Multiple Choice
Salad is am example of a/an ...
element
compound
mixture
- Answer choicesTagsAnswer choicesTags