CSC Interview Questions for cpp developer

CSC Interview Questions for cpp developer
1)Difference between C &C++
2.)Tell about Virtual functions with example
3)Tell Concept of Oops.
4)Polymorphism with real time example
5)Difference between function declaration and abstract class
6)Why the scope resoln operator can't be overloaded?
7)Tell about what happens of Construction and destruction of the derived class objects,
8)When are copy constructors called?
9)What are Templates
10)What is size of null class
11)Differentiaite between vector and array
12) Differentiate between C&C++ Structure
13)Difference between class and structure
14) Why we use C++ why not C ?
15)Can we have Virtual Constructure