#1
Which of the following is an example of a chemical reaction?
#2
What is the chemical formula for water?
#3
What is the chemical symbol for iron?
#4
Which gas is commonly known as laughing gas?
#5
Which of the following is an example of a combustion reaction?
#6
Which gas is responsible for the depletion of the ozone layer?
#7
What is the primary environmental impact of acid rain?
#8
What type of reaction is photosynthesis?
#9
Which pollutant is primarily responsible for smog formation?
#10
Which greenhouse gas has the highest global warming potential?
#11
Which chemical compound is responsible for ocean acidification?
#12
What is the chemical formula for ozone?
#13
Which chemical compound is primarily responsible for the greenhouse effect?
#14
Which of the following is a greenhouse gas with the highest concentration in the Earth's atmosphere?
#15