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Ninth Grade (Grade 9) Chemistry Questions

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Grade 9 Properties of Matter
What is the formula for finding density?
  1. D=VD
  2. D=MV
  3. D=MD
  4. D=MV
Grade 9 Biochemical Pathways
Which type of cellular respiration includes the Krebs cycle as one of its processes?
  1. anerobic respiration
  2. Krebs respiration
  3. photosynthesis
  4. aerobic respiration
Grade 9 Atomic Structure
Neutrons have this charge.
  1. positive
  2. neutral
  3. negative
Grade 9 Properties of Matter
What can be said about the molecules represented in the diagram?
Particle State - Gas
  1. The molecules move very slowly.
  2. The molecules are very close together.
  3. The molecules have a natural resistance to flowing.
  4. The molecules have a very high energy state.
Grade 9 Biochemical Pathways
What is the main difference between aerobic and anaerobic respiration?
  1. Anaerobic respiration requires oxygen.
  2. Aerobic respiration requires oxygen.
  3. Aerobic respiration requires carbon dioxide.
  4. Anaerobic respiration requires carbon dioxide.
Grade 9 Atomic Structure
What is the central core of an atom called?
  1. electron
  2. isotope
  3. nucleus
  4. proton
Grade 9 Biochemical Pathways
Light-dependent reactions and light-independent reactions are the two stages of
  1. reactants.
  2. the thylakoid.
  3. photosynthesis.
  4. learned behaviors.
Grade 9 Properties of Matter
What is the formula used to find the mass of an object?
  1. M=DV
  2. M=DV
  3. M=MV
  4. M=VM
Grade 9 Molecules and Compounds
Select two options from the following list that qualify as types of pure substances.
  1. a substance
  2. an atom
  3. an element
  4. a particle
  5. matter
  6. a compound
Grade 9 Properties of Matter
Which of the following is a chemical property of matter?
  1. color
  2. shape
  3. size
  4. reactivity
Grade 9 Reactions
What is the type of the reaction below?

2Fe+O2→2FeO
  1. Decomposition
  2. Synthesis
  3. Single displacement
  4. Double displacement
Grade 9 Macromolecules
Enzymes are part of which category of organic compounds?
  1. starches
  2. carbohydrates
  3. lipids
  4. proteins
Grade 9 Reactions
What are the elements or compounds formed by chemical reactions?
  1. The products
  2. The reactants
  3. The solids
  4. The gases
Grade 9 Macromolecules
Large molecules known as                 act to store genetic information.
  1. amino acids
  2. nucleic acids
  3. carbohydrates
Grade 9 Chemistry
Which family on the Periodic Table has elements whose atoms have two electrons in the outermost energy level?
  1. Transition Metals
  2. Synthetic Elements
  3. Alkaline Earth Metals
  4. Alkali Metals
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