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Chemistry Questions - All Grades

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Grade 9 Macromolecules
Grade 7 Biochemical Pathways
Grade 2 Properties of Matter
Grade 2 Properties of Matter
Grade 9 Periodic Table and Elements
Grade 5 Properties of Matter
Which states of matter have a definite volume?
  1. solid and gas
  2. solid and liquid
  3. gas and liquid
  4. solid, liquid, and gas
Grade 8 Periodic Table and Elements
Grade 5 Periodic Table and Elements
Which of the following is an example of an element?
  1. Rust
  2. Hydrogen
  3. Carbon Dioxide
  4. Water
Grade 9 Macromolecules
What is the place called where the substrate will bind to the enzyme?
  1. neuroreceptor
  2. active site
  3. reception area
  4. receiving site
Grade 10 Acids and Bases
Which of the following represents an acid-base neutralization reaction?
  1. [math]AgCl + Na rarr NaCl + Ag[/math]
  2. [math]CH_3COOH + CH_3CH_2OH rarr CH_3COOCH_3CH_2 + H_2O[/math]
  3. [math]2H_3PO_4 + 6LiOH rarr 2Li_3PO_4 + 6H_2O[/math]
  4. None of the above
Grade 9 Macromolecules
What is(are) the reactant(s) called in an enzyme catalyzed reaction?
  1. carbon dioxide and water
  2. inhibitor
  3. active site
  4. substrate
Grade 9 Macromolecules
An enzyme will                          if the pH or temperature is not optimal.
  1. catalyze more reactions
  2. synthesize
  3. denature
  4. become angry and hostile
Grade 9 Periodic Table and Elements
Grade 8 Periodic Table and Elements
Grade 9 Atomic Structure
Which subatomic particle has a positive charge?
  1. proton
  2. neutron
  3. electron
  4. nucleus
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