1 |
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
|
2 |
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
|
3 |
The fore of attraction betwene water molecule is. |
Ionic bonding
Covalent bonding
Hydrgen Bonding
Co ordinate Covalent bonding
|
4 |
Which of the following is an exampel of polar covalent compound. |
Cl2
H2
O2
HCl
|
5 |
Hydrogen bound ing is always found in |
Non-polar molecules
Homoatomic molecules
Polar Molecules
All of the above
|
6 |
Metal have the tendency to lose elecrons due to. |
High ionization energies
Low ionization energies
Low electron affinity
None of the above
|
7 |
Malleability is the property by virtue of which a metal can be drawn into. |
Rods
Plates
Sheets
Wires
|
8 |
In metals, the hold of nucieus over the valence shell elecrons is veak due to. |
Highlectron affinity
Large sized atoms
High ionization energies
All of the above
|
9 |
Whcih types of bond is present between NH3 and BF3 |
Covalend Bond
Ionic Bond
Co ordinate covalent bond
Metallic Bond
|
10 |
How many lone pairs are present on nitogenin ammonia molecule. |
One
Two
Three
Four
|
11 |
Whcih one of the following in as electron deficient molecule. |
NH3
O2
BF3
N2
|
12 |
Dative covalent bondis also known as |
Covalent bond
Ionic Bond
Metallic Bond
Coordinate covalent bond
|