1.  Melting points

2.  Boiling points

3.  Density

4.  Enthalpy

4
Correct Answer :

Melting points


Explanation :
No Explanation available for this question

1.  (NH4)2BeF2

2.  (NH4)2BeF3

3.  (NH4)2BeF

4.  BeF3

4
Correct Answer :

(NH4)2BeF3


Explanation :
No Explanation available for this question

1.  Li

2.  Na

3.  H

4.  K

4
Correct Answer :

Li


Explanation :
No Explanation available for this question

1.  NaCl

2.  NH4HCO3

3.  NH3

4.  CO2

4
Correct Answer :

NH4HCO3


Explanation :
No Explanation available for this question

1.  Neutral

2.  Basic

3.  Alkaline

4.  Amphoteric

4
Correct Answer :

Amphoteric


Explanation :
No Explanation available for this question

1.  Lithium

2.  Aluminium

3.  Calcium

4.  Magnesium

4
Correct Answer :

Aluminium


Explanation :
No Explanation available for this question

1.  Alkali metals lose electron to produce monovalent M+ ions

2.  The alkali metals have smallest size in their respective periods

3.  Ionisation enthalpy of alkali metals are low

4.  Alkali metals burn vigorously in oxygen forming oxides

4
Correct Answer :

The alkali metals have smallest size in their respective periods


Explanation :
No Explanation available for this question

1.  70 g

2.  80 g

3.  90 g

4.  170 g

4
Correct Answer :

90 g


Explanation :
No Explanation available for this question

1.  Ca(OH)2

2.  CaCO3

3.  CaO

4.  CaSO4

4
Correct Answer :

CaO


Explanation :
No Explanation available for this question

1.  2

2.  4

3.  6

4.  8

4
Correct Answer :

6


Explanation :
No Explanation available for this question

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