Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
The top level of groundwater in an aquifer is called the?
What is water pollution?
Which is a disease-causing water pollutant?
What is acid rain?
Which human activity contributes to water pollution?
Water that gives rich lather with soap is called?
Sea water is typically?
What is the safest method to purify water at home?
Which chemical is commonly used to disinfect water?
What does potash alum do in water purification?
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Practice Makes Perfect
Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.
Active Recall
MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.