Home: Chemistry MCQs
Q. Most of the aquatic animals cannot survive above
(A) 30 °C
(B) 35 °C
(C) 50 °C
(D) 44 °C
The answer is: (A) 30 °C ☑
Q. Which one of the following disease is caused by mercury?
(A) Typhoid
(B) Cholera
(C) Hepatitis
(D) Parkinson
The answer is: (D) Parkinson ☑
Q. The blister copper is refined by
(A) Boiling
(B) Concentration
(C) Electrolysis
(D) Reduction
The answer is: (C) Electrolysis ☑
Q. Chemical formula of Urea is
(A) NH2CONH2
(B) Na2CO3
(C) NH2COONH4
(D) NH4CL
The answer is: (A) NH2CONH2 ☑
Q. Sodium carbonate is commercially manufactured by
(A) Ostwald’s Process
(B) Haber’s Process
(C) Frisch Process
(D) Solvay Process
The answer is: (D) Solvay Process ☑