Why does aluminium resist rusting?
Shouldn't metals corrode?
Why is graphite used in pencils?
What makes it smooth to write with?
Why is copper used in electrical wires?
Why not iron or aluminium?
Why does hydrogen act both like a metal and a non-metal?
Why is it special?
Why does iron rust but aluminium doesn't?
Both are metals, so why the difference?
Why is mercury used in thermometers?
Couldn't we use water instead?
Why is zinc used for galvanizing iron?
What's the science behind this coating?
Why are noble metals called “noble”?
Are they royal in some way?
Why does carbon form so many compounds?
Carbon chemistry seems endless — why?
Why are covalent compounds generally poor conductors of electricity?
Metals conduct, but why not most carbon compounds?
What is the difference between saturated and unsaturated hydrocarbons?
Why are some compounds called “alkanes” while others “alkenes”?
Why does soap form lather but oil doesn't dissolve in water?
How do soaps clean greasy clothes?
Why is graphite soft but diamond hard?
Both are carbon — why such opposite properties?
Why is ethanol used in hand sanitizers?
How does it actually kill germs?
What is the difference between soap and detergent?
Aren't they the same thing?
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