Objective General Knowledge Questions and Answers

Objective GK Questions and Answers



1. The biological specimens in laboratory are preserved in the glass containing
formalin. What is the "formalin"?
(A) An aqueous solution of H2SO4
(B) An aqueous solution of HNO3
(C) An aqueous solution of formaldehyde
(D) Concentrated solution of HNO3
Answer: An aqueous solution of formaldehyde '; return false;">See Answer:

2. Which of the following