SCIENCE FORM 1: CHAPTER 7 AIR

The air is made up of _____% Nitrogen.

• 87

• 78

• 76

Tags

NGSS.MS-ESS2-6

How to test the presence of Oxygen?

• Use lime water

• Use glowing wooden splinter

• Use burning wooden splinter

• Use litmus paper

How to test the presence of Hydrogen?

• Use burning wooden splinter

• Use glowing wooden splinter

• Use litmus paper

• Use limewater

Oxygen helps in __________.

(more than 1 answer)

• Photosynthesis

• Combustion

• Make dry ice

• Make carbonated drinks

• Respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

____________ helps in photosynthesis.

• Inert gas

• Oxygen

• Carbon dioxide

• Nitrogen

Tags

NGSS.MS-LS1-6

What is this process?

• combustion

• decomposition

• respiration

• rusting

• photosynthesis

Tags

NGSS.MS-LS1-6

Carbon + Oxygen → ____________

• Water

• Nitrogen

• Carbon dioxide

• Hydrocarbon

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Gas P is

• Oxygen

• Nitrogen

• Carbon dioxide

• Inert gas

Gas Q is

• Oxygen

• Carbon dioxide

• Nitrogen

• Inert gas

Gas R is

• Oxygen

• Nitrogen

• Carbon dioxide

• Inert gas