RRB GROUP D Chemistry Quiz - 47

Attempt now to get your rank among 3 students!

Question 1:

The study of the skeletal system is known as-

Question 2:

The normal dry cell has electrolyte of-

Question 3:

Water can be conserved by 

  1. Constructing dams and reservoirs
  2. Adopting water harvesting techniques
  3. Cutting more trees
  4. By using drip irrigation method

Question 4:

Which class of fire is categorized as petroleum fire?

Question 5:

Which of the following is not the component of photochemical smog?