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