The p-Block Elements Test

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The p-Block Elements Test - 36

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Weekly Quiz Competition

Question 1
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Which of the following is a synthetic element?

A
Boron

B
Aluminium

C
Gallium

D
Ununtrium

Solution

Ununtrium is an element that is never found in nature but has been created in a laboratory. It is therefore classified as a synthetic element with no stable isotopes.
Question 2
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Diaspore, germanite and gallite have:

A
boron

B
aluminium

C
gallium

D
indium

Solution

They all have gallium metal.
Gallite - $$CuGaS_2$$
Diaspore - $$\alpha -AlO(OH)$$
Germanite - $${Cu}_{26}{Fe}_4{Ge}_4S_{32}.$$
Question 3
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All hydrocarbons contain _____.

A
carbon

B
germanium

C
antimony

D
water

Solution

A hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.
Question 4
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Diamond is a allotrope of _______.

A
carbon

B
lead

C
antimony

D
germanium

Solution

Diamond is a allotrope of carbon, the hardest naturally occurring substance.
Question 5
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Which among the following is the most abundant element among boron family?

A
Boron

B
Aluminium

C
Gallium

D
Indium

Solution

Aluminium, in contrast to boron, is the most abundant metal in the Earth's crust, and the third most abundant element.
It composes about 8.2% (82,000 ppm) of the Earth, surpassed only by oxygen and silicon.
Question 6
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______ can be found in bauxite and sphalerite in traces.

A
Boron

B
Aluminium

C
Gallium

D
Indium

Solution

Gallium can be found as a trace in a variety of ores, including bauxite and sphalerite, and in such minerals as diaspore and germanite
Question 7
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Lorandite is a mineral of:

A
boron

B
aluminium

C
gallium

D
thallium

Solution

Lorndite is a thallium arsenic sulfosalt with the chemical formula: $$TlAsS_2$$. Though rare, it is the most common thallium-bearing mineral.
Question 8
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Beryl, cryolite are minerals of:

A
boron

B
aluminium

C
thallium

D
indium

Solution

Aluminium also occurs in the minerals beryl, cryolite, garnet, spinel, and turquoise.
Beryl - $${Be}_3{Al}_2{(SiO_3)}_6$$.
Cryolite - $${Na}_3AlF_6$$
Question 9
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$$CaCO_3+SiO_2\rightarrow$$ __________.

A
$$CaO+SiCO_3$$

B
$$CaSiO_3+SiO_2$$

C
$$CaSiO_3+CaO$$

D
$$CaSiO_3+CO_2$$

Solution

The reaction in between calcium carbonate and silica is as follows :
$$CaCO_3+SiO_2\rightarrow$$ $$CaSiO_3+CO_2$$
Question 10
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Which of the given element show anomalous behavior with respect to its other group member?

A
$$B$$

B
$$Al$$

C
$$Ga$$

D
$$In$$

Solution

Option $$(A)$$ is correct.
$$B$$ show anomalous behaviour with respect to its other group member due to its extremely low size and high nuclear charge/size ratio, high electronegativity and non-availability of $$d$$- electrons.

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Re-Attempt Weekly Quiz Competition

The p-Block Elements Test - 36

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The p-Block Elements Test - 36

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SHARING IS CARING

Question 1

Boron

Aluminium

Gallium

Ununtrium

Solution

Question 2

boron

aluminium

gallium

indium

Solution

Question 3

carbon

germanium

antimony

water

Solution

Question 4

carbon

lead

antimony

germanium

Solution

Question 5

Boron

Aluminium

Gallium

Indium

Solution

Question 6

Boron

Aluminium

Gallium

Indium

Solution

Question 7

boron

aluminium

gallium

thallium

Solution

Question 8

boron

aluminium

thallium

indium

Solution

Question 9

$$CaO+SiCO_3$$

$$CaSiO_3+SiO_2$$

$$CaSiO_3+CaO$$

$$CaSiO_3+CO_2$$

Solution

Question 10

$$B$$

$$Al$$

$$Ga$$

$$In$$

Solution

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