HARD
Upper Secondary-IGCSE
IMPORTANT
Earn 100

What is global warming, and why is it a problem?

Important Questions on How Far? How Fast

EASY
Upper Secondary-IGCSE
IMPORTANT
Cambridge IGCSE Chemistry Workbook 4th Edition>Chapter 7 - How Far? How Fast>Exercise 7.7>Q b
Carbon dioxide is a greenhouse gas. Give an example of another greenhouse gas and state one of its sources.
HARD
Upper Secondary-IGCSE
IMPORTANT
Cambridge IGCSE Chemistry Workbook 4th Edition>Chapter 7 - How Far? How Fast>Exercise 7.7>Q c
How can you tell from the equation K2CO3(aq)+H2O(l)+CO2(g)⇌2KHCO3(aq) that the reaction above is reversible?
 
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Cambridge IGCSE Chemistry Workbook 4th Edition>Chapter 7 - How Far? How Fast>Exercise 7.7>Q d
What happens when potassium hydrogencarbonate is heated?
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Cambridge IGCSE Chemistry Workbook 4th Edition>Chapter 7 - How Far? How Fast>Exercise 7.7>Q e
Why the addition of carbon dioxide to potassium carbonate is a good/economical reaction to use to remove carbon dioxide produced in exhaust gases?
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Cambridge IGCSE Chemistry Workbook 4th Edition>Chapter 7 - How Far? How Fast>Exercise 7.7>Q f
What is the structural formula of methane?
HARD
Upper Secondary-IGCSE
IMPORTANT
Cambridge IGCSE Chemistry Workbook 4th Edition>Chapter 7 - How Far? How Fast>Exercise 7.7>Q f
Write the word and symbol equation for the complete combustion of methane in air.