Worksheet: Topic 6.1 Formulae
Quiz
•
Chemistry
•
9th Grade
•
Easy
Deeyana Deen
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q1. Chrome alum is a salt that contains two different cations and one anion.
The ions present in chrome alum are K+, Cr3+ and SO42-.
What is the formula of the salt?
A. KCrSO4
B. KCr(SO4)2
C. KCr(SO4)3
D. K2Cr(SO4)3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q2. How many different elements are present in ammonium nitrate?
A. 2
B. 3
C. 4
D. 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q3. What is the formula of zinc oxide?
A. Zn2O
B. ZnO
C. Zn2O3
D. ZnO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q4. Which compound has an empirical formula that is different from its molecular formula?
A. C4H10O
B. H2O
C. NO2
D. H2O2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q5. An ionic compound has the formula Al2O3. What are the charges on the ions?
A. Al+ O-
B. Al2+ O2-
C. Al2+ O3-
D. Al3+ O2-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q6. What is the empirical formula of ethanoic acid?
A. C2H4O2
B. CH4O
C. C2H3O
D. CH2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q7. The formula of ammonium metavanadate is NH4VO3.
It consists of NH4 ions and VO3 ions. What are the charges on these ions?
A
B
C
D
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