Solvay process is used for the manufacture of

1.  NaOH

2.  Na2CO3

3.  NH3

4.  NaCl

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4
Correct Answer :

Na2CO3


Explanation :
No Explanation available for this question

Oxides of alkali metals combines with water to form

1.  Alkane

2.  Alkali

3.  Acids

4.  Alkyne

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4
Correct Answer :

Alkali


Explanation :
No Explanation available for this question

The compound which is not present as impurity in NaCl is

1.  CaSO4

2.  CaCl2

3.  MgCl2

4.  HCl

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4
Correct Answer :

HCl


Explanation :
No Explanation available for this question

Atomic size of alkaline earth metal are______ than alkali metals

1.  Smaller

2.  Larger

3.  Similar

4.  None of these

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4
Correct Answer :

Smaller


Explanation :
No Explanation available for this question

The reaction of Be with N2 produces

1.  Be3N2

2.  Be2N2

3.  BeN2

4.  BeN3

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4
Correct Answer :

Be3N2


Explanation :
No Explanation available for this question

Alkali metals react with water to form corresponding hydroxides with the evolution of

1.  Inert nitrogen

2.  Burnt carbon

3.  Chlorine gas

4.  Hydrogen gas

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4
Correct Answer :

Hydrogen gas


Explanation :
No Explanation available for this question

Which of the following s-block element ranks sixth abundance in the earth crust

1.  Francium

2.  Calcium

3.  Magnesium

4.  Potassium

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4
Correct Answer :

Magnesium


Explanation :
No Explanation available for this question

The hydrides of alkali metals have high

1.  Melting points

2.  Boiling points

3.  Density

4.  Enthalpy

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4
Correct Answer :

Melting points


Explanation :
No Explanation available for this question

Slaking of lime reaction is

1.  Exothermic reaction

2.  Endotheermic reacton

3.  Substitution reaction

4.  Elimination reaction

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4
Correct Answer :

Exothermic reaction


Explanation :
No Explanation available for this question

Be shows diagonal resemblance with Al due to

1.  Similar ionic radii

2.  Similar polarizing power

3.  Similar boiling points

4.  All of these

View Answer  
4
Correct Answer :

All of these


Explanation :
No Explanation available for this question
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