S-Block Elements Test

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S-Block Elements Test - 5

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Weekly Quiz Competition

Question 1
4 / -1

Mixture of MgCl₂ and MgO is called

A
Portland cement

B
Sorel's cement

C
double salt

D
None of these
Question 2
4 / -1

What are the metal ions present in carnallite?

A
Mg, K

B
Al, Na

C
Na, Mg

D
Zn, Mg
Question 3
4 / -1

Which metal is present in chlorophyll?

A
Ca

B
Co

C
Zn

D
Mg
Question 4
4 / -1

Milk of magnesia is used as

A
antichlor

B
antacid

C
antiseptic

D
food preservative
Question 5
4 / -1

Ionic compound BaSO₄ is insoluble in water due to

A
high lattice energy

B
low lattice energy

C
low hydration energy

D
Both (2) and (3)
Question 6
4 / -1

A metal M forms water soluble MSO₄ and inert MO. MO in aqueous solution forms insoluble M(OH)₂ soluble in NaOH. Metal M is

A
Be

B
Mg

C
Ca

D
Si
Question 7
4 / -1

Which one of the alkali metals, forms only, the normal oxide, M₂O on heating in air ?

A
Rb

B
K

C
Li

D
Na
Question 8
4 / -1

The metallic lustre exhibited by sodium is explained by

A
Diffusion of sodium ions

B
Oscillation of loose electrons

C
Excitation of free protons

D
Existence of body centred cubic lattice
Question 9
4 / -1

Alkali metals impart colour to Bunsen flame due to

A
Low ionization energies

B
Low melting points

C
Their softness

D
The presence of one electron in the outer most shell
Question 10
4 / -1

Which one of the following properties of alkali metals increases in magnitude as the atomic number rises?

A
Ionic radius

B
Melting point

C
Electronegativity

D
First ionization energy

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Re-Attempt Weekly Quiz Competition

S-Block Elements Test - 5

Result

S-Block Elements Test - 5

Score

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Rank

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SHARING IS CARING

Question 1

Portland cement

Sorel's cement

double salt

None of these

Question 2

Mg, K

Al, Na

Na, Mg

Zn, Mg

Question 3

Ca

Co

Zn

Mg

Question 4

antichlor

antacid

antiseptic

food preservative

Question 5

high lattice energy

low lattice energy

low hydration energy

Both (2) and (3)

Question 6

Be

Mg

Ca

Si

Question 7

Rb

K

Li

Na

Question 8

Diffusion of sodium ions

Oscillation of loose electrons

Excitation of free protons

Existence of body centred cubic lattice

Question 9

Low ionization energies

Low melting points

Their softness

The presence of one electron in the outer most shell

Question 10

Ionic radius

Melting point

Electronegativity

First ionization energy

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Rank

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