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CHEM Test 4 (10th) 21-22

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

Ag oxidation state

a)

+2

b)

+1

c)

+1, +2

2.

Hf oxidation state

a)

+4, +5

b)

+4

c)

+3, +4

3.

Cr oxidation state

a)

+2, +3, +5, +6

b)

+2, +3, +6

c)

+2, +3

4.

Mn oxidation state

a)

+6, +7

b)

+2, +3, +6, +7

c)

+2, +3, +4, +6, +7

5.

Hg oxidation state

a)

+1

b)

+1, +3

c)

+1, +2

6.

Fe oxidation state

a)

+4, +5

b)

+2, +3

c)

+1, +2

7.

Pt oxidation state

a)

+2, +4

b)

+2, +3

c)

+4

8.

Zn oxidation state

a)

+1

b)

+3

c)

+2

9.

Ni oxidation state

a)

+2, +4

b)

+2

c)

+2, +3

10.

Cu oxidation state

a)

+1

b)

+2, +3

c)

+1, +2

11.

S belongs to the

a)

Oxygen family

b)

Nitrogen family

c)

Fluorine Family

12.

Br belongs to the

a)

Halogen family

b)

Carbon family

c)

Boron family

13.

Li belongs to the

a)

Alkaline metals family

b)

Alkaline Earth metals family

c)

Boron family

14.

Ca belongs to the

a)

Alkaline metals family

b)

Alkaline Earth metals family

c)

Carbon family

15.

Si belongs to the

a)

Carbon family

b)

Nitrogen Family

c)

Boron family

16.

Find the value of x

 x+12=0x+1-2=0  

a)

x= +1

b)

x= +2

c)

x= +3

17.

Find the value of x

 3+x8=03+x-8=0  

a)

x= +5

b)

x= +2

c)

x= +3

18.

Find the value of x

 1+x8=01+x-8=0  

a)

x= +7

b)

x= +1

c)

x= +6