1 |
None polar compounds are insoluble in |
Alcohol
Benzene
Ether
Water
|
2 |
Ionic compund have |
Low melting and high boiling points
Low melting and boiling point
High melting and boiling points
High meilting and low boiling points
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3 |
Ionic compund are good conductors electricity in |
Solution
Molten state
Solid state
both a and b
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4 |
The compund formed by oppoite charges are known as. |
Metallic solids
Ionic compounds
Non-polar Covalent compound
None of the above
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5 |
Water has high boiling point as compared a alcohol due to |
Low density
High surface tension
Hydrogen bonding
High vapour pressure
|
6 |
The boiling point of alcohal is |
<sub>44</sub><sup>o</sup>C
78<sup>o</sup>C
53<sup>o</sup>C
19<sup>o</sup>C
|
7 |
The boiling point of water is |
O <sup>o</sup>C
100 <sup>o</sup>C
35 <sup>o</sup>C
25 <sup>o</sup>C
|
8 |
The fore of attraction betwene water molecule is. |
Ionic bonding
Covalent bonding
Hydrgen Bonding
Co ordinate Covalent bonding
|
9 |
Which of the following is an exampel of polar covalent compound. |
Cl2
H2
O2
HCl
|
10 |
Hydrogen bound ing is always found in |
Non-polar molecules
Homoatomic molecules
Polar Molecules
All of the above
|
11 |
Metal have the tendency to lose elecrons due to. |
High ionization energies
Low ionization energies
Low electron affinity
None of the above
|
12 |
Malleability is the property by virtue of which a metal can be drawn into. |
Rods
Plates
Sheets
Wires
|