Worksheet: Topic 6.1 Formulae

Worksheet: Topic 6.1 Formulae

9th Grade

10 Qs

quiz-placeholder

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Worksheet: Topic 6.1 Formulae

Worksheet: Topic 6.1 Formulae

Assessment

Quiz

Chemistry

9th Grade

Easy

Created by

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

  1. 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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