Cecilia Bui
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10th grade Chemistry Quiz on Ch. 3 (Part 1), created by Cecilia Bui on 09/01/2017.

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Cecilia Bui
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Ch. 3 (Part 1)

Question 1 of 21

1

- the lowest point on the Kelvin scale

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    absolute zero
    mass
    Kelvin temperature scale
    Celsius temperature scale
    weight

Explanation

Question 2 of 21

1

- the SI scale for temperature

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    Kelvin temperature scale
    Celsius temperature scale
    weight
    mass
    precision

Explanation

Question 3 of 21

1

- kilogram is the SI unit for this quantity

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    mass
    weight
    precision
    Kelvin temperature scale

Explanation

Question 4 of 21

1

- closeness to true value

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    accuracy
    precision
    absolute zero
    Kelvin temperature scale
    mass
    significant figure

Explanation

Question 5 of 21

1

- the non-SI scale for temperature

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    Celsius temperature scale
    Kelvin temperature scale
    absolute zero
    weight
    mass
    accuracy

Explanation

Question 6 of 21

1

- known or estimated in a measurement

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    significant figure
    mass
    weight
    precision
    accuracy

Explanation

Question 7 of 21

1

- narrowness of range of measurements

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    precision
    accuracy
    significant figure
    mass
    weight
    absolute zero

Explanation

Question 8 of 21

1

- the force of gravity on an object

Drag and drop to complete the text.

    weight
    mass
    precision
    absolute zero

Explanation

Question 9 of 21

1

What quantity is represented by the metric system prefix deci-?

Select one of the following:

  • 100

  • 0.01

  • 0.1

  • 1000

Explanation

Question 10 of 21

1

Express the sum of 7.68 m and 5.0 m using the correct number of significant digits.

Select one of the following:

  • 10 m

  • 13 m

  • 12.7 m

  • 12.68 m

Explanation

Question 11 of 21

1

In measurement 0.503 L, which digit is the estimated digit?

Select one of the following:

  • 3

  • the 0 to the left of the decimal point

  • 5

  • the 0 immediately to the left of the 3

Explanation

Question 12 of 21

1

Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 g for the mass of the standard. These results imply that the balance that was used is ___.

Select one of the following:

  • accurate and precise

  • neither precise nor accurate

  • precise but not accurate

  • accurate but not precise

Explanation

Question 13 of 21

1

What is the measurement 111.009 mm rounded off to four significant digits?

Select one of the following:

  • 110 mm

  • 111.0 mm

  • 111.01 mm

  • 111 mm

Explanation

Question 14 of 21

1

What is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?

Select one of the following:

  • 479 mL

  • 4.34 mL

  • 0.23 mL

  • none of the above

Explanation

Question 15 of 21

1

What is the boiling point of water in kelvins?

Select one of the following:

  • 0 K

  • 373 K

  • 273 K

  • 100 K

Explanation

Question 16 of 21

1

When multiplying and dividing measured quantities, the number of significant figures in the result should be equal to the number of significant figures in ___.

Select one of the following:

  • all of the measurements

  • the most precise measurement

  • the least and most precise measurements

  • the least precise measurement

Explanation

Question 17 of 21

1

Which of the following units is Not an official SI unit?

Select one of the following:

  • kilograms

  • litter

  • ampere

  • mole

Explanation

Question 18 of 21

1

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?

Select one of the following:

  • 1.54 x 10⁻¹⁰

  • 1.54 x 10¹⁰

  • 1.54 x 10¹²

  • 1.54 x 10⁻¹²

Explanation

Question 19 of 21

1

The weight of an object __.

Select one of the following:

  • is the same as its mass

  • depends on its location

  • is always the same

  • is not affected by gravity

Explanation

Question 20 of 21

1

A cubic meter is about the same as the volume occupied by a ___.

Select one of the following:

  • a cup of milk

  • washing machine

  • kilogram of water

  • basketball arena

Explanation

Question 21 of 21

1

What is the volume of a salt crystal measuring 2.44 x 10⁻² m by 1.4 x 10⁻³ m by 8.4 x 10⁻³ m?

Select one of the following:

  • 2.9 x 10⁻⁶ m³

  • 2.9 x 10⁻⁵ m³

  • 2.9 x 10⁻⁴ m³

  • 2.9 x 10⁻⁷ m³

Explanation

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