Production of gases and rates of reaction

What is the name of the liquid chemical used to produce oxygen gas?

• Hydrochloric acid

• Water

• Hydrogen peroxide

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-LS1-6

What is the name of the black substance used to speed up the production of oxygen?

• Magnesium oxide

• Manganese oxide

• Magnesium dioxide

• Manganese dioxide

if a gas relights a glowing splint, what gas is it?

• Oxygen

• Carbon dioxide

• Hydrogen

• nitrogen

Tags

NGSS.MS-PS1-2

What is the proper chemical name for marble chips?

• Calcium carbonate

• Calcium carbide

• Calcium chloride

• Calcium oxide

What gas is being collected using the above set up

• Oxygen

• Hydrogen

• Carbon dioxide

Tags

NGSS.MS-PS1-2

Name the liquid added to the marble chips to prepare carbon dioxide gas?

• Hydrochloric acid

• Water

• Hydrogen peroxide

if limewater turns milky, what gas is present?

• Nitrogen

• Oxygen

• Carbon dioxide

• Hydrogen

Tags

NGSS.MS-PS1-2

When carbon dioxide is poured on a flame, it (a)   the flame

As the products are increasing (Red line), the reactants (blue line) are (a)  

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The minimum energy required to cause a reaction to take place is known as?

• Effective energy

• Activation energy

• chemical energy

• basic energy