Why does split petrol form a stick on top of water?
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Because oil or petrol is less dense than water therefore, instead of being absorbed by the water, it separates leaving the petrol on top of the water instead of in it or underneath it
Analyze how friction can be both a positive and negative aspect In our every day lives
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Friction-Now a positive part of friction could be that it helps us from falling while we move about,friction also creates energy A negative part could be that it produces heat that could damage different forms of machinery and also causes tear in the machinery
Is boiling water a chemical reaction?
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No boiling water is not a chemical change it would be a physical change
no it is a physical change
Standard reduction potentials are based on which element?A. helium B. hydrogen C. lithium D. oxygen E. zinc