Matter And Safety Review Quiz

20 Questions | By Robmid28 | Last updated: Mar 21, 2022 | Total Attempts: 101

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1.

Give me one example of an element, a compound, a homogeneous mixture, and a heterogeneous mixture.
2.

Anything that has mass and takes up space is _________.
- A.
  
  Matter
- B.
  
  Volume
- C.
  
  Pressure
- D.
  
  Weight
3.

A sample of gold has a mass of 15.7 g and displaces 0.81 cm³ of water in a graduated cylinder. What is the density of gold? Density = mass/volume
- A.
  
  0.05 g/cm3
- B.
  
  0.81 g/cm3
- C.
  
  14.9/g/cm3
- D.
  
  19.3 g/cm3
4.

Which of the following numbers is equal to 2.70 x 10^-4?
- A.
  
  0.00027
- B.
  
  0.675
- C.
  
  27x10-3
- D.
  
  270
5.

A characteristic that can be observed or measured without changing the sample's composition is ________________.
- A.
  
  A chemical property
- B.
  
  A physical property
- C.
  
  A gaseous property
- D.
  
  A crystalline property
6.

When one substance changes identity, it exhibits a(n) __________.
- A.
  
  Chemical property
- B.
  
  Physical property
- C.
  
  Extensive property
- D.
  
  Intensive property
7.

Which of the following is a pure substance?
- A.
  
  Soda
- B.
  
  Gun powder
- C.
  
  Sugar water
- D.
  
  Steam
8.

Which of these is not a homogeneous mixture?
- A.
  
  Sugar dissolved in water
- B.
  
  Oxygen and nitrogen gases in the air
- C.
  
  Oil and vinegar salad dressing
- D.
  
  A silver mercury amalgam used to fill a tooth cavity
9.

Which of the following is a compound?
- A.
  
  Water
- B.
  
  Neon
- C.
  
  Steel
- D.
  
  Crude oil
10.

Classify as a physical or a chemical property. Iron is more dense than aluminum.
- A.
  
  Chemical
- B.
  
  Physical
11.

Classify as a physical or a chemical property. Oil and water do not mix.
- A.
  
  Chemical
- B.
  
  Physical
12.

Identify each physical property as extensive or intensive. melting point
- A.
  
  Intensive
- B.
  
  Extensive
13.

Identify each physical property as extensive or intensive. mass
- A.
  
  Intensive
- B.
  
  Extensive
14.

Identify each physical property as extensive or intensive. density
- A.
  
  Intensive
- B.
  
  Extensive
15.

Classify as a physical change or a chemical change. water freezing and forming ice
- A.
  
  Physical
- B.
  
  Chemical
16.

Classify as a physical change or a chemical change. leaves changing colors in the fall
- A.
  
  Physical
- B.
  
  Chemical
17.

Two items that must be worn during any laboratory experiment are ___________.
- A.
  
  Safety goggles and a lab apron
- B.
  
  Safety goggles and fire-proof mitts
- C.
  
  Gloves and a lab apron
- D.
  
  Rubber gloves and a face shield
18.

When a laboratory session ends, you must always ___________.
- A.
  
  Wash your hands
- B.
  
  Wash your eyes in the eye-wash fountain
- C.
  
  Take a shower in the chemical hazard shower
- D.
  
  Eat or drink in the laboratory
19.

Use the conversion factor above to find the meters in 2.7 x 10³ kilometers. 1 km = 1000 m
- A.
  
  2.7 x 10^5 m
- B.
  
  2.7 x 10^-3 m
- C.
  
  2.7 m
- D.
  
  2.7 x 10^6 m
20.

Classify the following as a physical or a chemical change. Iron and oxygen form rust
- A.
  
  Chemical
- B.
  
  Physical