E-PolyLearning

411. The formula mass, molecular mass and atomic mass when expressed in grams is called
a. Mole
b. Atomic number
c. Mass number
d. Gram atomic mass
View Answer Report Discuss 50-50!
Answer: (a).Mole

412. Which one of the following will affect the rate of reaction?
a. First step of reaction
b. Last step of reaction
c. Rate determining step
d. Fastest step
View Answer Report Discuss 50-50!
Answer: (c).Rate determining step

413. The pH of a solution is zero, it will be
a. Highly basic
b. Neutral
c. Highly acidic
d. Moderately acidic
View Answer Report Discuss 50-50!
Answer: (c).Highly acidic

414. Anything that is under observation is called
a. System
b. Surrounding
c. State
d. Boundary
View Answer Report Discuss 50-50!
Answer: (a).System

415. Which one of the following is not a state function?
a. Temperature
b. Pressure
c. Entropy
d. Internal energy
View Answer Report Discuss 50-50!
Answer: (d).Internal energy