Questions and CORRECT Answers
which of these reduces friction? - CORRECT ANSWER - ball bearings
In chemistry, to be classified as an organic substance, a substance must contain? - CORRECT
ANSWER - carbon atoms
Any astronomical body that revolves around a larger body is called? - CORRECT ANSWER -
a satellite
which elements does not contain neutrons? - CORRECT ANSWER - hydrogen
The chemical formula of a compound describes the element the compound contains and the..? -
CORRECT ANSWER - ration of element in the compound.
What is the symbol for the hydroxyl ion? - CORRECT ANSWER - OH-
The tympanic membranes are also known as the .. - CORRECT ANSWER - ear drums
which of the following actions produces a chemical change? - CORRECT ANSWER - adding
salt to hot water
When sodium atoms form sodium ions they: - CORRECT ANSWER - lose electrons
A woman is looking for a bigger square office. she finds an office twice the area of her current
office. if the perimeter of the current office is 88ft, how many square feet is the new office? -
CORRECT ANSWER - 968 sq ft
, how many feet of chain fence are necessary to enclose a dog pen that is square and has an area of
64 square feet? - CORRECT ANSWER - answer : 32
64 square feet
√64= 8
8x4= 32
a train goes twice as fast downhill as it goes uphill, and 2/3 as fast uphill as it can go on level
ground.if it goes 120 miles per hour downhill. How long will it take to travel 45 miles on flat
land? - CORRECT ANSWER - 1/2 hour
Each August, a restaurant's rent is adjusted to the cost of living index. The rent has been 1,550 a
month, and the cost of living index for this August was 3.7%. What is the new rent per month? -
CORRECT ANSWER - $1.607.35
Shawn purchased a shirt for $22.05.If this includes 5% sales tax, what is the actual price of the
shirt? - CORRECT ANSWER - $20.95
Debra and Ian shared in a 1,000,000$ estate. If Ian received 125,000, and Debra the rest, what
fraction of the estate did Debra receive? - CORRECT ANSWER - 7/8
If the perimeter of a square garden is 84 feet, what is the area of the garden? - CORRECT
ANSWER - 441 sq ft
If the population of a certain city increased 25% in two years, the new population was what
percent of the old? - CORRECT ANSWER - 125%
Admonition most nearly means - CORRECT ANSWER - warning
Embody most nearly means - CORRECT ANSWER - exemplify