W. Answer the following questions in two sentences.
1. Explain malleability with an example.
2. Why are electric wires made from copper?
3. Why are cooking utensils made from metals?
4. Why is sodium stored in paraffin wax?
5. Why are helium and neon called noble gases?
6. What are alloys? Give one example.
fino centences
Answers
Answer:
BHAI 5 POINTS ME EK HI ANSWER MILEGA
THE PROPERTY OF METALS BY WHICH IT CAN BE CHANGED TO METAL SHEETS BY BEATING IS KNOWN AS MELLEABILITY
Explanation:
Answer:
1.Malleability is a property of material by which in can be beaten to form its thin sheets.Most of the metals are malleable. Examples of malleable metals are zinc, iron, aluminum, copper,gold,silver, and lead. silver and gold are highly malleable.
2. Copper is used for making electrical wires that are used by your New Haven electrician due to its properties that make it an ideal metal for this purpose. ... Excellent Conductor of Electricity: Copper is an excellent conductor of electricity; no other metal can compete with it in terms of electrical conductivity.
3. Cooking utensils are made uo of copper and aluminium because they are good conductors of heat and hence food can be easily cooked in them.
4. Sodium is the group IA alkali metals and is very reactive. It can readily react with air and water. If sodium is kept freely, it will react vigorously with air or water. To prevent sodium metal to react readily with air or water, the metal is kept under paraffin oil or any other similar oil substances.
5. The noble gases, in order of their density, are helium, neon, argon, krypton, xenon and radon. They are called noble gases because they are so majestic that, in general, they don't react with anything. For this reason they are also known as inert gases.
6. An example of an alloy is the tin in the mixture of copper and tin that makes bronze. An alloy is a fusion of a two or more metals or of metals with non-metals. An example of an alloy is brass, which is made from copper and zinc.