Air (1)
Quiz by Aji Budiyanto
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10 questions
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- Q1Highest percentage of air consists of...Carbon dioxideNoble gasOxygenNitrogen30s
- Q2Air pollution causes...tsunamisoil erosionglobal warminghearth disease30s
- Q3Green House gas is...MethaneNitrogenOxygenCarbon dioxide30s
- Q4The percentage of nitrogen is...12 %78 %21 %87 %30s
- Q5The percentage of oxygen is...87 %12 %78 %21 %30s
- Q6Chlorofluorocarbon is used in..PerfumesRefrigeratorsAir conditionersAll of those things30s
- Q7Which of the following is necessary for a substance to burn?lighthydrogenoxygengasoline30s
- Q8Carbon monoxide is a pollutant emitted from the car exhaust system. Which of the following reasons explain why carbon monoxide is considered as an air pollutant?It causes lung cancerIt causes breathing difficulties by preventing the absorption of oxygenIt is odourless and colourlessIt forms acid rain which corrodes buildings made of limestone30s
- Q9Which of the following substances is not found in a clean air sample?HydrogenHeliumOxygenNitrogen30s
- Q10120 cm3 of air is heated with phosphorus to form phosphorus (V) oxide in the air. After the reaction, what is the volume of air which remained?12024559630s