Elements compound and mixtures
Authored by dvit mehta
Chemistry
7th Grade
Used 2+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for an exothermic reaction?
+🔺
-🔺
Non of the above
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Pure Substances are
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The insoluble solid left on the filter paper is called residue.
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
lemonade
element
compound
mixture
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Two or more different elements chemically combined to form compounds.
AGREE
DISAGREE
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Both elements and compounds are pure substances.
AGREE
DISAGREE
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Every compound has a chemical formula.
AGREE
DISAGREE
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