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Eleventh Grade (Grade 11) Chemistry Questions

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Grade 11 Quantum Physics and the Atom
Which of the following cannot be classified as a mixture?
  1. Milk
  2. A solution
  3. Gold
  4. Brass
Grade 11 Bonds and Mixing
A substance that contains two or more substances combined chemically is called
  1. a compound.
  2. an element.
  3. a period.
  4. a group.
Grade 11 Stoichiometry
What percent of lithium chloride is lithium?
  1. 33.0%
  2. 49.5%
  3. 16.5%
  4. None of the above
Grade 11 Atomic Structure

This question is a part of a group with common instructions. View group »

Which of the following correctly describes part of the underlying nature of negatively-charged anions?
  1. The atom has more electrons than protons.
  2. The atom has more protons than electrons.
  3. The atom always has fewer protons than does a neutral atom of the same element.
  4. The atom has more neutrons than protons.
Grade 11 Biochemical Pathways
The light-independent reactions of photosynthesis happen in the
  1. presence of light only.
  2. presence of darkness only.
  3. presence of either light or darkness.
  4. thylakoid membrane.
Grade 11 Periodic Table and Elements
Calcium and magnesium are both known as alkaline earth metals.
  1. True
  2. False
Grade 11 Reactions
A solid that forms when two liquids react is called a
  1. reactant.
  2. product.
  3. precipitate.
  4. liquid.
Grade 11 Bonds and Mixing
Which of the following statements is correct about hydrogen bonding?
  1. Hydrogen bonding is a type of covalent bond.
  2. Hydrogen bonding occurs between water molecules.
  3. Hydrogen bonding connects phosphates to carbons within DNA.
  4. Hydrogen bonding is responsible for waters low heat of vaporization.
Grade 11 Matter
The prefix mega-, as it is used in chemistry, is equal to
  1. millionth.
  2. 10 billion.
  3. billion.
  4. 10 to the 6th power.
Grade 11 Molecules and Compounds
What is the naming of chemical compounds known as?
  1. Hydrocarbons
  2. Molecular Compounds
  3. Diatomic Elements
  4. Chemical Nomenclature
Grade 11 Chemistry
Which branch of chemistry applies theories of physics to reactions and properties of matter?
  1. organic chemistry
  2. physical chemistry
  3. biochemistry
  4. analytical chemistry
Grade 11 Reactions
Which chemical equation shows precipitation?
  1. NaCl+AgNO3→AgCl↓+NaNO3
  2. NaOH+HCl→NaCl+H2O
  3. Fe2++Ce4+⇔Fe3++Ce3+
  4. CH3COOH+NaOH→CH3COONa+H2O
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