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Tenth Grade (Grade 10) Chemistry Questions

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Grade 10 Macromolecules
Grade 10 Acids and Bases
Which of the following is NOT produced when magnesium hydroxide is dissolved in water?
  1. [math]"H"^+[/math]
  2. [math]"Mg"^"2+"[/math]
  3. [math]"OH"^-[/math]
  4. None of the above
Grade 10 Acids and Bases
Which of the following substances, when dissolved in water, increases the concentration of hydrogen ions?
  1. [math]"H"_2"SO"_3[/math]
  2. NaOH
  3. [math]"H"_2"O"[/math]
  4. [math]"SO"_2[/math]
Grade 10 Acids and Bases
Which of the following substances, when dissolved in water, increases the concentration of hydroxide ions?
  1. [math]"H"_3"PO"_4[/math]
  2. NaOH
  3. [math]"H"_2"O"[/math]
  4. [math]"CO"_2[/math]
Grade 10 Acids and Bases
Which compound is an Arrhenius base?
  1. [math]"SO"_2[/math]
  2. [math]"HNO"_3[/math]
  3. LiOH
  4. [math]"H"_2"O"[/math]
Grade 10 Acids and Bases
Which compound is an Arrhenius acid?
  1. [math]"SO"_2[/math]
  2. [math]"CaO"[/math]
  3. [math]"H"_2"SO"_4[/math]
  4. NaOH
Grade 10 Acids and Bases
According to the Arrhenius theory, a base, when dissolved in water, increases the concentration of which of the following ions?
  1. [math]"H"^+[/math]
  2. [math]"OH"^-[/math]
  3. [math]"H"_3"O"^+[/math]
  4. [math]"H"_2"O"[/math]
Grade 10 Acids and Bases
Grade 10 Macromolecules
What are Carbohydrates?
  1. Proteins made up of monomers.
  2. Serve as building materials.
  3. Make up cell membranes.
  4. Organic molecules that are made up of sugar molecules.
Grade 10 Macromolecules
What do fats do?
  1. Store energy
  2. Speed up the chemical reaction
  3. Insulate your body
  4. Both A and C
Grade 10 Macromolecules
What describes molecules that play many key roles in building of proteins and can act as enzymes.
  1. Phospholipids
  2. Ribonucleic Acid (RNA)
  3. Deoxyribonucleic Acid (DNA)
  4. Waxes
Grade 10 Macromolecules
Large organic molecules are called                .
  1. Polymers
  2. Carbohydrates
  3. Micromolecules
  4. Macromolecules
Grade 10 Biochemical Pathways
Oxygen is released during what part of photosynthesis?
  1. Light Reactions
  2. Calvin Cycle
  3. Kreb's Cycle
  4. Glycolysis
Grade 10 Macromolecules
Grade 10 Biochemical Pathways
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