Chemical Reactions Quiz

What is a useful clue to help decide if a chemical reaction has taken place?

• A change in color

• A gas given off

• An increase in temperature

• A change in state

Tags

NGSS.MS-PS1-2

What gas is given off when magnesium reacts with hydrochloric acid?

• Carbon dioxide

• Nitrogen

• Oxygen

• Hydrogen

What is the gas given off when a piece of apple is placed in hydrogen peroxide?

• Nitrogen

• Hydrogen

• Carbon dioxide

• Oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the chemical property of iron when it combines with sulfur?

• It forms iron oxide

• It forms iron sulfide

• It reacts with water

• It has a pH of 2

Tags

NGSS.MS-PS1-1

What is the physical property of iron?

• It reacts with water

• It has a pH of 2

• It is a grey, heavy solid

• It forms iron oxide

What is the product when magnesium reacts with hydrochloric acid?

• Magnesium chloride

• Carbon dioxide

• Magnesium oxide

• Hydrogen peroxide

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the most effective indigestion powder according to Marcus and Arun's investigation?

• None of the above

• Powder C

• Powder B

• Powder A

Tags

NGSS.MS-PS1-2

What should Marcus and Arun have done about the 'wrong' result in their investigation?

• Include it in the mean

• Exclude it from the mean

• Change the acid used

• Repeat the investigation

Tags

NGSS.MS-PS1-2

What is the most common clue to help decide if a chemical reaction has taken place?

• An increase in temperature

• A gas given off

• A change in state

• A change in color

Tags

NGSS.MS-PS1-2

What is the gas given off when a piece of apple is placed in hydrogen peroxide?

• Hydrogen

• Nitrogen

• Carbon dioxide

• Oxygen

Tags

NGSS.MS-PS1-2