Chemical Reactions quiz

The force that holds 2 atoms together is called a ________________.

• Chemical Reaction

• Chemical Bond

• Diatomic Chemical

• Glue

How many atoms of Carbon are in one molecule of table sugar (C₁₂H₂₂O₁₁) ?

• 12
• 22
• 11
• 1

Tags

NGSS.MS-PS1-1

What are the reactants in the chemical equation pictured?

• CH₄ and CO₂
• CH₄ and O₂
• CO₂ and H₂O
• O₂ and H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the products of the chemical reaction pictured?

• CH₄ and CO₂
• CH₄ and O₂
• CO₂ and H₂O
• O₂ and H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the small number written after a chemical symbol called?

• Coefficient
• Subscript
• Product
• Reactant

Tags

NGSS.MS-PS1-1

In an exothermic reaction energy is ...

• released
• absorbed
• protons
• electrons

Tags

NGSS.HS-PS1-4

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Tags

NGSS.MS-PS1-2

Jayden asked Gabe what she could do to an egg for a chemical change. Gabe answered correctly and said...

• You can drop the egg.

• You can cook the egg.

• You can crack the egg.

• You can paint the egg.

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green