1 |
Which one of the suspension. |
Chalk in water
Tootpast
Ink
Blood
|
2 |
Which one of the example of colloid. |
Paints
Milk of magnesia
Jelly
None of these
|
3 |
The solubility of which salt decreases with the increase of temperture. |
KNO3
Li2SO4
KCl
NaNO3
|
4 |
Solubility of whcih salt increases with the increase of temperture. |
KNO3
KCL
NaNO3
All of These
|
5 |
Which one of the following is heterogeneious mixture. |
Milk
Ink
Sugar solution
Milk of magnesia
|
6 |
Whcih one of the following wil show negligible effect of termperture on its solubility. |
KCl
KNO3
NaCl
NaNO3
|
7 |
Buckyballs also knowns as. |
Fullerenes
Graphite
Both a and b
None of these
|
8 |
The structure of C atom in diamond is. |
Pentagonal
Triangle
Hexahedral
Tetrahedral
|
9 |
Diamond is................... |
conductor
non -conductor
both a and b
None of these
|
10 |
In diamond, each C-atom is covaently bonded wiht.......C-atom |
Two
Three
Four
Five
|
11 |
Graphite is ..........conductor of electiricity |
Bad
Moderate
Good
None of these
|
12 |
Allotropes of oxygen are |
2
3
4
5
|