Metals and Non-metals Test

Result

Metals and Non-metals Test - 36

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

Metal $$A + \ $$ Salt solution of $$B\rightarrow $$ Salt solution of $$A + \ $$ Metal $$B$$
Which one is more reactive among $$A$$ and $$B$$?

A
$$A$$

B
$$B$$

C
Both are equally reactive

D
None of the above

Solution

Metal $$A$$ displaces metal $$B$$ from its solution. Hence, A is more reactive than $$B$$.
Question 2
1 / -0

Metals low in activity series are very:

A
reactive

B
unreactive

C
neutral

D
All of the above

Solution

The reactivity series is a list of metals arranged in the order of their decreasing activities. thus, metals low in activity series are very unreactive.
Question 3
1 / -0

Non-metals are never used in cooking utensils because:

A
They are good conductors of heat

B
They are bad conductors of heat

C
They can't cook food properly

D
They are not attractive

Solution

Non-metals are poor conductor of heat. So, they can't be used for cooking utensils.
Question 4
1 / -0

Which of the following will replace hydrogen from acids to form salts?
$$Cu, Hg, Na, Ag$$

A
Copper

B
Mercury

C
Sodium

D
Silver

Solution

Only those metals which are more reactive than hydrogen, displace hydrogen from acids to form salts and evolve hydrogen gas. Out of the given elements, only $$Na$$ is a metal which is more reactive than hydrogen as the reactivity series follows the order:
$$Na>Pb>H>Cu>Hg>Ag$$
Question 5
1 / -0

Out of sulphur and gold, which will be have a higher melting point?

A
Sulphur

B
Gold

C
Both have equal melting point

D
None of the above

Solution

Metals have a higher melting point than non-metals. So, gold being a metal will have a higher melting point than sulphur.
Question 6
1 / -0

Electrolysis is used for oxides of highly reactive metals that are above:

A
iron

B
aluminium

C
antimony

D
mercury

Solution

Metals such as sodium, magnesium, calcium, in the reactivity series are very reactive and cannot be obtained from their compounds by heating with carbon. These metals are obtained by electrolytic reduction. This process is used for oxides of highly reactive metals that are above aluminium in the reactivity series.
Question 7
1 / -0

Cinnabar is heated in air which converts it into:

A
mercury sulphide

B
mercury

C
mercuric acid

D
mercuric oxide

Solution

Cinnabar $$(HgS)$$ is the ore of mercury. Cinnabar $$(HgS)$$ when heated in the air turns $$HgS$$ into $$HgO$$ (mercury oxide or mercuric oxide) accompanied by the liberation of sulphur dioxide.

$$ 2HgS + 3O_2 \rightarrow 2HgO + 2SO_2 $$
Question 8
1 / -0

In a solution of lead acetate, a strip of metal Z was dipped. After some time, lead from the solution was deposited at the metal strip. Which is more reactive?

A
$$Z$$

B
Lead

C
Both have equal reactivity

D
None of the above

Solution

$$Z$$ is more reactive. It replaced lead from its compound. this shows that metal $$Z$$ was more reactive than the lead since it was able to displace lead from its salt solution or the lead acetate solution.
Question 9
1 / -0

Zinc oxide is reduced to zinc metal by heating with:

A
carbon

B
oxygen

C
$$CuSO_4$$

D
water

Solution

Zinc metal is in the middle of the activity series. Such metals are present mostly as sulphides and carbonates. Since it is easier to obtain metals from their oxides, these sulphides and carbonates are first converted to oxides through calcination or roasting. After that, ZnO is reduced to the corresponding metal using suitable reducing agents such as carbon.

Therefore, option A is correct.
$$ ZnO + C \rightarrow Zn + CO $$
Question 10
1 / -0

If $$A, B, C, D, E, F, G, H, I, J, K$$ represent metals in the decreasing order of their reactivity, which one of item is most likely to displace all of the metals given?

A
A

B
C

C
J

D
K

Solution

Metal higher in the activity series is said to be more reactive than the others below. Since, A is at the top of the series, it can displace all the metals from their respective salt solution.

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Metals and Non-metals Test - 36

Result

Metals and Non-metals Test - 36

Score

-

Rank

-

SHARING IS CARING

Question 1

$$A$$

$$B$$

Both are equally reactive

None of the above

Solution

Question 2

reactive

unreactive

neutral

All of the above

Solution

Question 3

They are good conductors of heat

They are bad conductors of heat

They can't cook food properly

They are not attractive

Solution

Question 4

Copper

Mercury

Sodium

Silver

Solution

Question 5

Sulphur

Gold

Both have equal melting point

None of the above

Solution

Question 6

iron

aluminium

antimony

mercury

Solution

Question 7

mercury sulphide

mercury

mercuric acid

mercuric oxide

Solution

Question 8

$$Z$$

Lead

Both have equal reactivity

None of the above

Solution

Question 9

carbon

oxygen

$$CuSO_4$$

water

Solution

Question 10

A

C

J

K

Solution

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.