Set-D.rtf - Set D Multiple Choice Identify the choice that...

Set D
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Deals with the composition and proportion of substances.
a. biochemistry c. analytical chemistry
b. organic chemistry d. industrial chemistry
____ 2. Buoyancy occurs because, with increasing depth in a fluid,
____ 3. The first year, two cows produced 8100 litres of milk. The second year their production increased by 15% and
10% respectively, and the total amount of milk increased to 9100 litres a year. How many litres were milked
from each cow for the first year?
____ 4.
10. Which of the following represent comments in C?
____ 5. It is the amount of solute present in a given amount of solvent.
a. Solution c. Mixture
b. Concentration d. Dilution
____ 6. An object that has momentum must also have
____ 7.
Factor completely
____ 8. What is the combination of cutting and scratch test of a material?
____ 9. A man on an elevator weighs 180 lbf. Compute the force exerted by the man on the floor of the elevator if it is
accelerating upward at 5ft/s^2?
a. 207.95 lbf c. 209.66 lbf
b. 209.22 lbf d. 208.50 lbf
____ 10.
Two posts with heights 5 and 8 metres respectively, 26 metres apart are to be guyed through a
common point between the two posts. How far from the shorter posts the common point should be
so that the guying wire (total length) will be minimum?