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Category > Chemistry Posted 13 Feb 2024 My Price 8.00

Chemistry Principles EHS Unit 1 Quiz

Question 1

__________ properties do not depend on the amount of substance present.

 

  Intensive

  Extensive

  Chemical

  None of these are correct.

 

Question 2

__________ reasoning begins with a prediction based on a general principle.

 

  Intensive

  Deductive

  Extensive

  Extensive

 

Question 3

Which is the formula used to calculate density?

 

  d=m+V

  d=mV

  d=m-V

  d=m/V

 

Question 4

The __________ scale is also referred to as the absolute temperature scale.

 

  Fahrenheit

  Ampere

  Celsius

  Kelvin

 

Question 5

Which of these statements is an example of an intensive property?

 

  Diamond is the hardest known substance.

  There are six crackers per pack.

  The volume of the water is 40mL.

  The mass of a piece of charcoal is 10g

 

Question 6

Which of these is considered a derived unit?

 

  kilogram

  meter

  joule

  second

 

Question 7

The __________ is the middle value in a numerically ordered list of numbers.

 

  mean

  median

  mode

  average

 

Question 8

79,502 has _____ significant figures.

 

  5

  3

  2

  4

 

Question 9

How many seconds are in a day?

 

  86,400

  120,000

  5,000

  60

 

Question 10

Calculate the median of the following:

 

85.3

 

80

 

82.5

 

87

 

80

 

82.5

 

82.5

 

  80

  87

  82.8

  82.5

 

Question 11

__________ properties describe matter's reactions with other substances.

 

  Chemical

  Compound

  Physical

  Pure

Question 12

The __________ is calculated by adding up all the numbers and the dividing by the total number of values.

 

  mode

  median

  mean

  density

 

Question 13

The __________ is the value that occurs most often in a set of numbers.

 

  mode

  median

  mean

  average

 

Question 14

Calculate the mean of the following:

 

85.3

 

80

 

82.5

 

87

 

80

 

82.5

 

82.5

 

  82.5

  87

  82.8

  80

 

Question 15

According to the Celsius scale, the normal freezing point of water is __________.

 

  0°C

  32°C

  100°C

  212°C

 

Question 16

The SI Unit for mass is the __________.

 

  joule

  second

  mole

  kilogram

 

Question 17

 

Calculate the mode of the following:

 

85.3

 

80

 

82.5

 

87

 

80

 

82.5

 

82.5

 

  80

  82.5

  85.3

  87

 

Question 18

 

(3.5 x 102m) x (2.5 x 104m) =

 

  8.75 x 10-6m2

  87.5 x 10-6m2

  8.75 x 106m2

  87.5 x 106m2

 

Question 19

 

In measurement, __________ is the process of referencing a physical quantity in terms of a reference point or mark.

 

  percent uncertainty

  calibration

  estimation

  precision

 

Question 20

 

Which prefix means billion?

 

  pico-

  hecto-

  nano-

  giga-

 

Question 21

 

__________ is the separation of a mixture by passing it through a medium.

 

  Filtration

  Chromatography

  Evaporation

  Distillation

 

Question 22

 

 __________  uncertainty is the ratio of the uncertainty to the measured value.

 

  Percent

  Estimation

  Accuracy

  Significant

 

Question 23

 

Matter can exist in which of the following states?

 

  liquid

  All of these are correct

  gas

  solid

 

Question 24

 

The identity of a __________ substance does not change when it is frozen, boiled, or melted.

 

  intensive

  decomposed

  compound

  pure

 

Question 25

 

According to the Fahrenheit scale, the normal boiling point of water is __________.

 

  0°F

  212°F

  100°F

  32°F

Answers

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Status NEW Posted 13 Feb 2024 03:02 AM My Price 8.00

Che-----------mis-----------try----------- Pr-----------inc-----------ipl-----------es -----------EHS-----------  -----------Uni-----------t 1----------- Qu-----------iz-----------

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1707796405-Faith Andrews Quiz History Unit 1 Quiz.pdf
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