Chemical Properties

Chemical Properties

By William Lovering

Multiple Choice

Which characteristic of a substance is considered a chemical property?

• its boiling point

• its reactivity

• its density

• its conductivity

Multiple Choice

A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance?

• heating it to find the temperature at which it melts

• exposing it to a flame to see if it catches on fire

• hitting it with a hammer to determine if it breaks or bends

• placing it in water to find out whether or not it dissolves

Multiple Choice

Which event always involves a chemical change?

• boiling

• melting

• conducting

• burning

Multiple Choice

Evidence of a chemical reactions is anything that shows - 

• a new substance has formed
• a solid dissolved in a liquid
• interaction between 2 gases
• a change in the state of matter

Multiple Choice

Dissolving salt is a

• Chemical change

• Physical change

Multiple Choice

The glow stick reaction is a

• Chemical change

• Physical change

Multiple Choice

The production of carbon dioxide gas when baking soda and vinegar reacted indicated a _____________.

• Chemical change

• Physical change

Multiple Choice

Fe is the ___________________ for iron

• Letters

• Chemical Symbol

• Equation

Multiple Choice

A(n) ______________ is formed when two or more elements chemically combine.

• Compound

• Element

• Mixture

Multiple Choice

FeS

• Element

• Compound

• Mixture

Multiple Choice

CO2

• Element

• Compound

• mixture

Multiple Choice

Cl

• Element

• Compound

• Mixture

Multiple Choice

NaCl is the ____________ for sodium chloride.

• Formula

• Symbol

• Periodic Table

Multiple Choice

A ___________ is a combination of many different elements not chemically combined.

• Element

• Compound

• Mixture

Multiple Choice

Which is the best example of a pure substance?

• pizza

• gold

• saltwater

• air

Multiple Choice

What is the left part of a chemical equation called?

2H₂ + O₂ ---> 2H₂O

• Reactants

• Yields

• Products

• Chemical equation

Multiple Choice

What is the right part of a chemical equation called?

2H₂ + O₂ ---> 2H₂O

• Reactants

• Yields

• Products

• Chemical Equation

Multiple Choice

How many Mn atoms are found in the following compound?

2MnO₄

• 1

• 2

• 4

• 8

Multiple Choice

What is the little number after an element in a chemical equation called?

Example: H₂

• Coefficient

• Atom

• Subscript

• Equation

Multiple Choice

What is the number before a chemical formula called?

Example: 2H₂ + O₂ ---> 2H₂O

• Coefficient

• Atom

• Subscript

• Equation

Multiple Choice

How many elements are in C₆H₁₂O₆?

• 1

• 2

• 3

• 4