Metals and Non-metals Test

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Metals and Non-metals Test - 41

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following elements cannot be beaten into thin wires?

A
$$O$$

B
$$P$$

C
$$S$$

D
All of these

Solution

Non-metals are generally non-ductile and cannot be beaten into thin wires. All given elements, oxygen (O), phosphorus (P) and sulphur (S) are non-metals and do not have property of ductility.
Question 2
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Which of the following element is non-malleable?

A
$$Al$$

B
$$Ag$$

C
$$Au$$

D
$$C$$

Solution

Metals are malleable. In given options, only carbon is non-metal and thus non-malleable. Other options are metals and they are malleable.
Hence, the correct option is $$D.$$
Question 3
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The major products of the following reaction is:
$$ZnS(s)+{ O }_{ 2 }(g)\xrightarrow [ ]{ heat } $$

A
$$ZnO$$ and $${SO}_{2}$$

B
$$Zn{SO}_{4}$$ and $${SO}_{3}$$

C
$$Zn{SO}_{4}$$ and $${SO}_{2}$$

D
$$Zn$$ and $${SO}_{2}$$

Solution

$$2ZnS(s) + 3O_2 (g) -> 2ZnO(s) + 2SO_2 (g)$$
This method is called roasting. Therefore the correct products are of option $$A$$.
Question 4
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Red hot carbon will remove oxygen from the oxides $$XO$$ and $$YO$$ but not from $$ZO. Y$$ will remove oxygen from $$XO$$. Use this evidence to deduce the order of activity of the three metals $$X, Y$$ and $$Z$$ putting the most active first.

A
$$XYZ$$

B
$$ZYX$$

C
$$YXZ$$

D
$$ZXY$$

Solution

Since carbon can't remove oxygen from $$ZO, Z $$ is the most active metal.
In $$X$$ and $$Y$$, $$Y$$ can replace $$X$$, so $$Y$$ is more reactive and $$X$$ is the least reactive.
Hence, order of activity $$ZYX$$.
Question 5
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Which of the following is not essential for rust to form?

A
Water

B
Iron

C
Oxygen

D
Carbon dioxide

Solution

The presence of water and oxygen is essential for the rusting of iron. Iron does not rust in presence of carbon dioxide.
Thus, the correct option is $$D$$.
Question 6
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Iodine is a :

A
Lustrous non-metal

B
Sonorous non-metal

C
Lustrous metal

D
Malleable metal

Solution

Generally, Non-metals are not lustrous(not shiny). But Iodine and graphite are the only non-metals that exhibit lustre. Hence, option A is correct.
Question 7
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Non-metals exist in which state?

A
Solid

B
Liquid

C
Gas

D
All of the above

Solution

Non-metals are generally solids and gases. But bromine is a liquid non-metal.

Hence, option D is correct as we find different non-metals existing in all three states.
Question 8
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Metals are solid at room temperature except:

A
Mercury

B
Gallium

C
Both A and B

D
Sodium

Solution

Metals are solid at room temperature except for Mercury and Gallium. These are liquids at room temperature. Hence option C is correct.
Question 9
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Which of the following is true in case of electrolytic refining?

A
Impure metal is made cathode.

B
Impure metal is made anode.

C
Impure metal is made cathode and pure metal as anode.

D
Both electrodes must be of pure metal.

Solution

In electrolytic refining, impure metal is made the anode and a thin strip of pure metal is used as cathode.
Question 10
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Which of the following is a characteristic property of non-metals?

A
Not malleable

B
Ductile

C
Malleable

D
Sonorous

Solution

Non-metals are generally not malleable as they can not be beaten into thin sheets. The substance which can be beaten into thin sheets is called malleable. Hence, option $$A$$ is correct.

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Re-Attempt Weekly Quiz Competition

Metals and Non-metals Test - 41

Result

Metals and Non-metals Test - 41

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Question 1

$$O$$

$$P$$

$$S$$

All of these

Solution

Question 2

$$Al$$

$$Ag$$

$$Au$$

$$C$$

Solution

Question 3

$$ZnO$$ and $${SO}_{2}$$

$$Zn{SO}_{4}$$ and $${SO}_{3}$$

$$Zn{SO}_{4}$$ and $${SO}_{2}$$

$$Zn$$ and $${SO}_{2}$$

Solution

Question 4

$$XYZ$$

$$ZYX$$

$$YXZ$$

$$ZXY$$

Solution

Question 5

Water

Iron

Oxygen

Carbon dioxide

Solution

Question 6

Lustrous non-metal

Sonorous non-metal

Lustrous metal

Malleable metal

Solution

Question 7

Solid

Liquid

Gas

All of the above

Solution

Question 8

Mercury

Gallium

Both A and B

Sodium

Solution

Question 9

Impure metal is made cathode.

Impure metal is made anode.

Impure metal is made cathode and pure metal as anode.

Both electrodes must be of pure metal.

Solution

Question 10

Not malleable

Ductile

Malleable

Sonorous

Solution

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