CSS Past Papers
Everyday Science - 2006
Test - 8


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1. The amount of ozone in the atmosphere is expressed in?




CSS Past Papers
2.
why do some people snore? (click on question text to see the answer)



3.
why do we sometimes sleep walk?



4.
Why climber bends forward while climbing a mountain?



5.
Why the manhole covers are generally round?



/STRONG>
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6.
Why roads are bent inwards on curves?



7. These are the ground matters, naturally occurring abundantly in the non-livings also. Examples are sodium, potassium, calcium, phosphorous, iron, sulphur and molybdenum these are known as?




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8. Vital for physical functions and assist in metabolism. These are chemical compounds which are synthesized naturally by living cells?




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9. Major components for the strength of bones are?




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10. Gold and silver are known as?







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