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Chemistry Questions - All Grades

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Grade 6 Properties of Matter
Which change in state is illustrated?
Particle State - Solid[math]rarr[/math]Particle State - Liquid
  1. melting
  2. freezing
  3. evaporation
  4. condensation
Grade 8 Matter
Grade 7 Periodic Table and Elements
Grade 6 Properties of Matter
Which change in state is illustrated?
Particle State - Liquid[math]rarr[/math]Particle State - Gas
  1. melting
  2. freezing
  3. evaporation
  4. condensation
Grade 7 Acids and Bases

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

Bleach is a                .
  1. weak acid
  2. weak base
  3. strong acid
  4. strong base
Grade 5 Biochemical Pathways
What does photosynthesis produce?
  1. oxygen and glucose
  2. water and sugar
  3. oxygen and proteins
Grade 8 Matter
Because of loosely packed molecules, a liquid                                 .
  1. resists flowing
  2. takes the shape of its container
  3. forms droplets
  4. none of the above
Grade 2 Matter
When a liquid changes into a solid, what is it called?
  1. freeze
  2. melt
  3. heat energy
  4. water cycle
Grade 8 Matter
Grade 2 Matter
Grade 2 Matter
What is it called when a solid changes into a liquid?
  1. melt
  2. freeze
  3. heat energy
  4. water cycle
Grade 2 Matter
What are the three major states of matter?
  1. solid, liquid, and gas
  2. solid, liquid, and wood
  3. solid, iron, and gas
  4. metal, wood, and paper
Grade 8 Acids and Bases
The table shows the pH of four substances.
pH Values
SubstancepH
Blood7.3
Orange Juice4.0
Ammonia11.0
Milk6.5

Which lists the substances from least to most acidic?
  1. ammonia, blood, milk, orange juice
  2. orange juice, milk, blood, ammonia
  3. ammonia, milk, blood, orange juice
  4. orange juice, blood, milk, ammonia
Grade 8 Atomic Structure
Atoms consist of which of the following?
  1. Protons
  2. Molecules
  3. Neutrons
  4. Electrons
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