Junior Cert Chemistry: Separating Mixtures
Authored by Dr Meally
Chemistry
9th - 12th Grade
Used 27+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______________ is a substance which cannot be broken down into simpler substances by chemical means.
An element
A compound
A mixture
A solution
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______________ is a substance which is made up of two or more elements which are chemically combined.
An element
A compound
A mixture
A solution
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______________ consists of two or more different substances mingled with each other but not chemically combined.
An element
A compound
A mixture
A solution
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are compounds?
Ammonium nitrate
Iron Oxide
Molecular hydrogen
Calcium hydride
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are compounds?
Sodium oxide
Potassium nitrate
Rubidium fluoride
Magnesium chloride
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are mixtures?
Sand in water
Salt in water
Sodium metal in water
Magnesium ribbon in hydrochloric acid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A molecule of table sugar (sucrose) may be represented as C12H22O11. What elements are present in table sugar?
Carbon, Hydrogen, Nitrogen
Carbon, Hydrogen, Oxygen
Carbon, Hydrogen, Iodine
Carbon, Hydrogen, Sulfur
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