0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What metal is used in household electric wiring?
Yes, because to conduct electricity you need a metal wire, (usually copper). However they have a plastic outer coating (sheath) which protects them and insulates them.
What is the name of a heavy metal that protects against magnet frequency?
iron
Is tarnishing a physical property or a chemical property?
chemical, because when a penny is tarnished its a chemical change because, its weathered down its destroyed. The tarnish itself is usually either the oxide and/or sulfide of the underlying metal.
Why is gold found mainly as the metal itself in the Earth?
Gold is so unreactive it does not react with anything, so it is mainly found as the metal itself in the earth.
Why is an earth wire connected to metalic parts of appliances?
The ground connected to metal parts ensures that no voltage potential can exist on the metal part where it could shock the user of the device. If the hot wire does touch the metal case because of some fault in the device the breaker will trip or the fuse will blow that protects the circuit.
Why is gold found as the metal itself in rocks?
because it is a unreactive metal.
Why is chromium plating done on bath taps?
Because it looks good and protects bare metal.
What is Bugatti made out of?
Carbon Fiber. It's often left unpainted, which gives it a beautiful shiny grey-black metal color.
Why the exhaust pipe of car rusts more rapidly than the other metal parts of the car?
One word, condensation. But the original equipment exhaust systems are lasting longer these days because they are using better metal.
What metal is used in household electric wiring?
Yes, because to conduct electricity you need a metal wire, (usually copper). However they have a plastic outer coating (sheath) which protects them and insulates them.
What protects metal from rusting?
Coatings Cathodic Protection If steel- galvanizing
What is the name of a heavy metal that protects against magnet frequency?
iron
How do metal detectors find metal without seeing it's own metal?
Because the 'head' of the detector is usually plastic - not metal. The detector coil inside has a relatively short range - and is 'desensitised' to any metal components in the device itself.
Does freezing rain make metal brittle?
No, freezing rain has no effect on metal itself. It may appear brittle because ice is obviously brittle. But you can smash the ice off and the metal will be fine.
Does your rubber tires protect us from ligtning inside of your car?
No, that is a myth. What actually protects you is the car itself. Sitting inside a car you are basically sitting in a Faraday cage. The lightning travels around the metal body of the car and then jumps to ground. As long as you are not touching the metal body of the car you are safe.
What metal is extracted from gold?
Metal cannot be extracted from Gold, as Gold itself is a metal.
Is hematite metal or nonmetal?
Hematite is a metal-bearing ore, but it's not a metal itself.
