Chemical Reactions and Properties Quiz

What is a chemical reaction?

• A process where substances change into new substances with different properties.

• A characteristic of a substance that can be observed without changing its identity.

• A material made up of only one type of particle.

• A reaction that absorbs energy from its surroundings.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is a physical property?

• Flammability

• Color

• Reactivity

• Combustion

What describes a substance's ability to undergo a specific chemical change?

• Physical Property

• Chemical Property

• Pure Substance

• Molecules

What is a chemical change?

• A change in the form or appearance of a substance.

• A change that results in the formation of new substances with different properties.

• A reaction where one element replaces another in a compound.

• A reaction that releases energy in the form of light and heat.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is a pure substance?

• A mixture of different elements.

• A material made up of only one type of particle.

• A reaction that absorbs energy.

• A symbolic representation of a compound.

Tags

NGSS.MS-PS1-4

What are reactants?

• The substances formed as a result of a chemical reaction.

• The starting substances in a chemical reaction.

• Two or more atoms chemically bonded together.

• A chemical equation with the same number of each type of atom.

Tags

NGSS.MS-PS1-5

What is the law of conservation of mass?

• Mass is created during a chemical reaction.

• Mass is destroyed during a chemical reaction.

• Mass is neither created nor destroyed during a chemical reaction.

• Mass is doubled during a chemical reaction.

Tags

NGSS.MS-PS1-5

What is a balanced equation?

• A chemical equation with the same number of each type of atom on both sides.

• A reaction where two or more substances combine to form a complex product.

• A reaction where a compound breaks down into simpler substances.

• A reaction where ions exchange places to form new compounds.

Tags

NGSS.MS-PS1-5

What is a synthesis reaction?

• A reaction where a compound breaks down into simpler substances.

• A reaction where two or more substances combine to form a more complex product.

• A reaction where one element replaces another in a compound.

• A reaction that absorbs energy from its surroundings.

Tags

NGSS.MS-PS1-1

What is a decomposition reaction?

• A reaction where two or more substances combine to form a complex product.

• A reaction where a compound breaks down into two or more simpler substances.

• A reaction where ions exchange places to form new compounds.

• A reaction that releases energy in the form of light and heat.