C

1)Keywords in C
2)Data types in C
3)Relational operators
4)Logical Operators
5)Conditional and Arithmatic Operator
6)Equality operator
7)Unary operator
8)operator precedence
9)Input\output operations in c
10)First program in C
12)Change into lowercase
13)Iterative statements(Looping statements)
14)Conditional statements
15)Unconditional statements(goto, break, continue)
16)Armstrong number
17)Fahrenheit to degree Celsius
18)ASCII value of character
19)Largest element in Array
20)Arrays
21)Operations on Arrays
22)Insertion in array
23)Deletion in array
24)Merge two arrays
Searching
      25)Linear search
      26)Binary search
Sorting
      27)Bubble sort
      28)Selection sort

29)Two-Dimensional array
30)Matrix multiplication
31)Patterns 
32)Anagram in C