TNPSC MAINS - SCIENCE 3 MARKS, 5 MARKS (Part 2)

0

 Chemistry : 

PART - A(5 MARKS)

  1. Water wets the glass surface while Mercury does not .why?
  2. Define Lewis acid and base?
  3. Explain the following carbides with suitable examples.  (i) Acetylide (ii) Methanide (iii) Allylide (iv) Mixed Carbide
  4. What are the different types of petroleum exploration method. how do you reduce energy consumption by green chemistry.
  5. Give the trend in periodic properties of elements for the following
    1.  ionization energy 
    2. acidity and basicity 
    3. electron affinity 
    4. stability of oxidation.

Post a Comment

0Comments
Post a Comment (0)