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Quiz 2

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

2.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

3.

Flame test is carried out on a sample, what color would be seen in the flame, if the sample is copper sulfate?

a)

blue green

b)

red

c)

orange

d)

lilac

4.

Few drops of barium nitrate solution are added to a solution, white precipitate forms, this confirms the presence of

a)

sulfate ions

b)

sulfite ions

c)

carbonate ions

d)

ammonium ions

5.

Few drops of silver nitrate solution are added to a solution, a yellow precipitate forms, this confirms the presence of

a)

Bromide ions

b)

Chloride ions

c)

Iodide ions

d)

sulfite ions

6.

Few drops of silver nitrate solution are added to a solution W, a white precipitate forms, this confirms the presence of

a)

nitrate ions

b)

sulfate ions

c)

chloride ions

d)

bromide ions

7.

Flame test is carried out on a sample, what color would be seen in the flame, if the sample is Potassium nitrate?

a)

blue-green

b)

red

c)

lilac

d)

orange

8.

What is the formula of the Sulphate ion?

a)

SO4 2-

b)

SO4 -

c)

SO4 2+

d)

SO4 -3

9.
When NaCl solution is electrolysed what has forms at the anode?
a)
Hydrogen
b)
Oxygen
c)
Chlorine
d)
Sodium
10.

What do you add to aluminium ore to reduce its melting temperature?

a)

Dendrite

b)

Malachite

c)

Bauxite

d)

Cryolite

11.

The electrodes in electrolysis of aluminium are made of

a)

Steel

b)

Anodes

c)

Graphite

d)

Plastic

12.

What is the ore of aluminium called?

a)

Baxite

b)

Bauxite

c)

Cryolite

d)

Malachite

13.
The negatively charged ions migrate toward the ________.
a)
anode
b)
cathode
14.
What is the name of the negative electrode?
a)
cathode
b)
anode
15.
What is the name of the positive electrode?
a)
cathode
b)
anode