Matter And Safety Review Quiz
This is your description.
- 1.Anything that has mass and takes up space is _________.
- A.
Matter
- B.
Volume
- C.
Pressure
- D.
Weight
- 2.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
- 3.Which of the following numbers is equal to 2.70 x 10-4?
- A.
0.00027
- B.
0.675
- C.
27x10-3
- D.
270
- 4.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
- 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 the following as a physical or a chemical change. Iron and oxygen form rust
- A.
Chemical
- B.
Physical
- 11.Classify as a physical or a chemical property. Iron is more dense than aluminum.
- A.
Chemical
- B.
Physical
- 12.Classify as a physical or a chemical property. Oil and water do not mix.
- A.
Chemical
- B.
Physical
- 13.Identify each physical property as extensive or intensive. melting point
- A.
Intensive
- B.
Extensive
- 14.Identify each physical property as extensive or intensive. mass
- A.
Intensive
- B.
Extensive
- 15.Identify each physical property as extensive or intensive. density
- A.
Intensive
- B.
Extensive
- 16.Classify as a physical change or a chemical change. water freezing and forming ice
- A.
Physical
- B.
Chemical
- 17.Classify as a physical change or a chemical change. leaves changing colors in the fall
- A.
Physical
- B.
Chemical
- 18.Give me one example of an element, a compound, a homogeneous mixture, and a heterogeneous mixture.
- 19.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
- 20.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
Questions: 46 | Attempts: 11695 | Last updated: Nov 6, 2020
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