S Block Elements Quiz Online

S Block Elements (Alkali & Alkaline Earth Metals) concepts are essential to learning for every level in chemistry courses. Here, we have compiled many S Block Elements quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT, ECAT, NUST, NUMS, JEE, NEET).

INSTRUCTIONS:

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Results

#1. Which one of the following carbonate is water-insoluble?

CaCO3

CaCO3

Na2CO3

Na2CO3

(NH4)2CO3

(NH4)2CO3

K2CO3

K2CO3

#2. The deliquescence is a property in which a solid:

Absorbs moisture and turns to liquid form

Absorbs moisture and turns to liquid form

Loses water of crystallization

Loses water of crystallization

Increases the number of water of crystallization

Increases the number of water of crystallization

Absorbs moisture and remains solid

Absorbs moisture and remains solid

#3. In diaphragm cell, hydrogen is discharged by the reduction of

Na+

Na+

Na+

Na+

Water

Water

HCI

HCI

#4. In diaphragm cell level of brine in the anode compartment is kept slightly higher which prevents:

Hydroxide ions to reach the anode

Hydroxide ions to reach the anode

Cathode to decay

Cathode to decay

Chlorine gas to mix

Chlorine gas to mix

All of the above

All of the above

#5. Gypsum is applied to the soil as a source of:

We could not apply

We could not apply

S and P

S and P

Ca and S

Ca and S

Ca and P

Ca and P

#6. Alkali and alkaline earth metals impart Colours when heated over the burner. It is due to:

Excitation of electrons from low energy levels to higher energy levels

Excitation of electrons from low energy levels to higher energy levels

The smaller ionic radius of these metals

The smaller ionic radius of these metals

Smaller electronegativity of alkali metals

Smaller electronegativity of alkali metals

De-excitation of electrons from higher energy levels to low energy level

De-excitation of electrons from higher energy levels to low energy level

#7. Which one of the following alkali metals forms only normal oxide when it reacts with O2?

Rubidium

Rubidium

Sodium

Sodium

Lithium

Lithium

Potassium

Potassium

#8. The first ionization potential of alkaline earth metal is greater than alkali metals because:

They have smaller atomic sizes

They have smaller atomic sizes

They are more reactive

They are more reactive

They have greater atomic radii

They have greater atomic radii

All

All

#9. Which one of the following pairs shown the diagonal relationship in the periodic table?

Boron and Beryllium

Boron and Beryllium

Sodium and Lithium

Sodium and Lithium

Lithium and magnesium

Lithium and magnesium

Lithium and beryllium

Lithium and beryllium

#10. NaOH is named as caustic soda because:

It reacts with chlorine gas

It reacts with chlorine gas

It reacts with fats to form soap

It reacts with fats to form soap

It corrodes the organic tissues

It corrodes the organic tissues

It is used in soda water

It is used in soda water

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