Why are noble metals called “noble”?
Are they royal in some way?
Shocking Truth
Why do birds sitting on high-voltage wires not get electrocuted?
Why does carbon form so many compounds?
Carbon chemistry seems endless — why?
Fuse Functionality
How does a fuse protect your home appliances?
Why are covalent compounds generally poor conductors of electricity?
Metals conduct, but why not most carbon compounds?
Current Direction Mystery
Why does conventional current flow from +ve to -ve when electrons move opposite?
What is the difference between saturated and unsaturated hydrocarbons?
Why are some compounds called “alkanes” while others “alkenes”?
Resistance and Temperature
Why does a filament bulb glow but an LED stays cool?
Why does soap form lather but oil doesn't dissolve in water?
How do soaps clean greasy clothes?
Power Rating Puzzle
If you plug a 60 W bulb into a 100 W socket, will it blow up?
Why is graphite soft but diamond hard?
Both are carbon — why such opposite properties?
Household Shock Hazard
Why is it dangerous to touch a wet electrical switch with bare hands?
Why is ethanol used in hand sanitizers?
How does it actually kill germs?
Earth Wire Magic
Why do appliances have a green earth wire along with live and neutral wires?
What is the difference between soap and detergent?
Aren't they the same thing?
Study Materials
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