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Upper Secondary: IGCSE
IMPORTANT
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What does the sacrificial protection of iron mean?

Important Questions on Air and Water

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 6
Both magnesium and zinc can be used for the process of rusting. Why?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 6
Why copper will not work for sacrificial protection. Explain why.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 1
What is groundwater?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 1
What is an aquifer? 
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 1
What is a microbe?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 2
What is a coagulant used for, in water treatment plants?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 3
Why is chlorine such an important part of the treatment in water plant?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 15 - Air and Water>Q>Q 4
A fluoride compound may be added to water. Why?