Chapter 1 Test 1
  • 1. A chemical can be defined as:
A) a toxic substance
B) an unnatural additive placed in food
C) any substance that is not alive
D) any substance that has a definite composition
  • 2. Inorganic chemistry is the study of:
A) mathematical modeling
B) the chemistry of living things
C) non-carbon related compounds
D) the identification of the composition of materials
  • 3. Organic chemistry is the study of:
A) crystals and minerals
B) properties, changes, and relationships between energy and matter
C) the chemistry of living things
D) carbon-containing compounds
  • 4. Technological development often occurs:
A) by accident
B) only to make money
C) long after the basis research is complete
D) in order go learn basic information
  • 5. Basic research is usually performed
A) to develop new products
B) to gain knowledge
C) to solve a particular problem.
D) to understand an environmental problem
  • 6. Applied research is carried out in order to
A) by accident
B) to solve a particular problem
C) in order to make money
D) to learn basic information
  • 7. Which of the following is an intensive property of matter?
A) mass
B) volume
C) amount of energy
D) density
  • 8. The two most important properties of all matter are
A) being brittle and hard
B) being malleable and ductile
C) the ability to carry an electric current well and to hold electric charge
D) taking up space and having mass
  • 9. An atom is
A) the smallest unit of matter that maintains its chemical identity
B) smaller than an electron
C) the smallest unit of a compound
D) always made of carbon
  • 10. A measure of the quantity of matter is
A) mass
B) density
C) volume
D) weight
  • 11. Matter includes all of the following except
A) light
B) water vapor
C) air
D) smoke
  • 12. A true statement about mass is that
A) as the force of Earth's gravity on an object increases, the object's mass increases
B) mass is determined by comparing the mass of an object with a set of standard masses that are part of a balance
C) mass if often measured with a spring scale
D) mass is expressed in pounds
  • 13. Which of the following is not a physical change?
A) boiling
B) cutting
C) grinding
D) burning
  • 14. Which of the following is not a chemical change?
A) burning
B) igniting
C) rusting
D) melting
  • 15. Nitrogen monoxide and oxygen, both colorless gases, form a red-brown gas when mixed. Nitrogen monoxide and oxygen are called the
A) equilibria
B) products
C) synthetics
D) reactants
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