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ThinkQuest

We are participating in the 15th all Japan junior and senior high school Web contest "ThinkQuest JAPAN".
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A three-choice-quiz

How much do you know for water?
Q1What Ozone's power can break down detrimental substance in water?
Reducing powerHand powerOxidizing power
　
Q2Which substances are causing itai-itai disease?
LeadCadmiumTitanium
　
Q3How much is the water for living a day in Japan?
500L150L250L
　
Q4What is being injected in the tap water?x
PhenolphthaleinPotassium cyanidePolyaluminum chloride
　
Q5Which is coated on the inside of water pipes?
WaxEpoxy resinFluorine
　
Q6Which insect transmits Malaria?
EarthwormBeetleMosquito
　
Q7How much the percentage of fresh water on the earth?
0.1%1%0.01%
　
Q8What is the 97.5% of total amount of water?
SeawaterBrineFreshwater
　
Q9What is country does Japan most inport virtual water from?
IndiaAustrariaAmerica
　
Q10Which people do carry water mainly?
girlwomenmen
　

　　
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