Matter And The Scientific Method

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Chapter 1 quiz, you should take after reading the first chapter, and attending class on 09/01/08 . It will close after 09/02/08.

Questions and Answers

1.

A summary of experimental data is a
- A.
  
  Hypothesis.
- B.
  
  Law.
- C.
  
  Theory.
- D.
  
  Prediction.
- E.
  
  Datum.
Correct Answer
B. Law.
2.

Which of the following is a heterogeneous mixture?
- A.
  
  Water
- B.
  
  Tea
- C.
  
  Root beer float
- D.
  
  Vegetable oil
- E.
  
  Vinegar
Correct Answer
C. Root beer float
3.

Which of the following processes does not represent a chemical change?
- A.
  
  Iron rusting
- B.
  
  Reaction of sodium metal with water
- C.
  
  Leaves changing color
- D.
  
  Souring of milk
- E.
  
  Dissolving sugar in water
Correct Answer
E. Dissolving sugar in water
4.

Which of the following is a compound?
- A.
  
  Water
- B.
  
  Iron
- C.
  
  Milk
- D.
  
  Sodium metal
- E.
  
  Air
Correct Answer
A. Water
5.

Which of the following is a solution?
- A.
  
  Distilled water
- B.
  
  Aspirin tablets
- C.
  
  Table salt
- D.
  
  gasoline
- E.
  
  light
Correct Answer
D. gasoline
6.

Which of the following is not an example of matter?
- A.
  
  Wood
- B.
  
  Air
- C.
  
  Light
- D.
  
  Atoms
- E.
  
  Water
Correct Answer
C. Light
7.

Which of the following is a mismatched definition?
- A.
  
  Hypothesis—a prediction of phenomena
- B.
  
  Experiment—a carefully controlled procedure conducted to test a theory
- C.
  
  Data—facts obtained by experimentation
- D.
  
  Compound—a mixture whose composition varies over a broad range
- E.
  
  Element—a substance that is made up of atoms of only a single type
Correct Answer
D. Compound—a mixture whose composition varies over a broad range
8.

Which of the following processes does not represent a physical change?
- A.
  
  Squeezing the juice from grapes
- B.
  
  Distillation of an ethanol
- C.
  
  Melting ice
- D.
  
  Fermenting grape juice
- E.
  
  Evaporating water
Correct Answer
D. Fermenting grape juice
9.

Which of the following does not represent a physical property?
- A.
  
  Color
- B.
  
  Hardness
- C.
  
  Clarity
- D.
  
  Melting point
- E.
  
  Flammability
Correct Answer
E. Flammability
10.

Which of the following does not represent a physical property?
- A.
  
  Boiling point
- B.
  
  Odor
- C.
  
  Density
- D.
  
  Solubility in water
- E.
  
  Reaction with oxygen
Correct Answer
E. Reaction with oxygen
11.

Which word is inconsistent with scientific knowledge?
- A.
  
  Testable
- B.
  
  Reproducible
- C.
  
  Provable
- D.
  
  Explanatory
- E.
  
  Tentative
Correct Answer
C. Provable
12.

Which of the following statements is false?
- A.
  
  A theory provides explanations of observed natural phenomena.
- B.
  
  A theory can be proven correct if sufficient experimental data is acquired.
- C.
  
  A theory must be consistent with all known information.
- D.
  
  Scientific laws are brief statements summarizing large amounts of scientific data.
- E.
  
  A hypothesis is a tentative explanation or prediction which can be tested by experiment.
Correct Answer
B. A theory can be proven correct if sufficient experimental data is acquired.
13.

Which of the following does not represent a chemical property?
- A.
  
  Burning of gasoline
- B.
  
  Stability of gold
- C.
  
  Rusting of iron in air
- D.
  
  Shock sensitivity of nitroglycerin
- E.
  
  Conductivity of electricity
Correct Answer
E. Conductivity of electricity

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Mar 21, 2022

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Aug 14, 2008

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Matter And The Scientific Method

A summary of experimental data is a

Which of the following is a heterogeneous mixture?

Which of the following processes does not represent a chemical change?

Which of the following is a compound?

Which of the following is a solution?

Which of the following is not an example of matter?

Which of the following is a mismatched definition?

Which of the following processes does not represent a physical change?

Which of the following does not represent a physical property?

Which of the following does not represent a physical property?

Which word is inconsistent with scientific knowledge?

Which of the following statements is false?

Which of the following does not represent a chemical property?