1 |
Which one of the following is heterogeneious mixture. |
Milk
Ink
Sugar solution
Milk of magnesia
|
2 |
Whcih one of the following wil show negligible effect of termperture on its solubility. |
KCl
KNO3
NaCl
NaNO3
|
3 |
Buckyballs also knowns as. |
Fullerenes
Graphite
Both a and b
None of these
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4 |
The structure of C atom in diamond is. |
Pentagonal
Triangle
Hexahedral
Tetrahedral
|
5 |
Diamond is................... |
conductor
non -conductor
both a and b
None of these
|
6 |
In diamond, each C-atom is covaently bonded wiht.......C-atom |
Two
Three
Four
Five
|
7 |
Graphite is ..........conductor of electiricity |
Bad
Moderate
Good
None of these
|
8 |
Allotropes of oxygen are |
2
3
4
5
|
9 |
A good example of homogeneious mixture is. |
Soil
Ice-Creem
Rock
Wood
|
10 |
Example of heterogeneious mixture is |
Soil
Gasoline
AIR
Ice Cream
|
11 |
Mixture can be separated by means of |
Nuclear method
Phyical medhod
Chemical Method
All of these
|
12 |
Building block of all matter is. |
element
Compound
Mixture
Atom
|