(1) 9 : 3 : 4 (2) 9 : 6 : 1
(3) 12 : 3 : 4 (4) 13 : 3
Out of the following which ...
The root layer which is ...
In which of the following ...
Ground substance of ...
Set of ...
COAXIAL SYSTEM OF ...
d- AND f- BLOCK ELEMENTS - ...
MOLE CONCEPT
WAVES - REFLECTION OF ...
Hydrocarbons part 1
Let a circle with centre ...
A lead bullet strikes ...
The mass of potassium ...
The oxidization state of ...
Which of the following is ...
