Q.1)A Circular Disc of radius R have mass 9M,if a small disc of Radius R/3 and M is Removed,then M.I of remaining Disc about An axis Perpendicular To the plane passing through the centre is?
A)MR2
B)4MR2
C)4/9MR2
D)40/9MR2
Q.2)Which of the following is most acidic?
A)CH2F2
B)C2H2
C)C2H4
D)H2O
Q.3)What will be the charge on solution, when silver nitrate solution is added to Potassium Iodide Solution?
A)Positive
B)Negtative
C)Neutral
D)None of these