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Can CaO be decomposed chemically?

Can CaO be decomposed chemically?

Explanation; -Both CaO and MgO are compounds . -While elements can not be broken down (decomposed) into simpler substances by chemical means, compounds can be broken down into simpler substances chemically (into constituent atoms).

Is magnesium stiffer than aluminum?

Magnesium’s unique combination of strength and light weight gives it some outstanding abilities as a structural metal. Similarly, a magnesium bar of equal rigidity to an aluminum bar will weigh only 75% as much as the aluminum bar. At equal weight, the magnesium bar will be over twice as stiff.

How can you tell the difference between Aluminium and magnesium?

Magnesium is distinguished from aluminum by the use of a silver nitrate solution. The solution does not react with aluminum, but leaves a black deposit of silver on magnesium. Magnesium is produced in large quantities from sea water.

How can you tell if it’s aluminum?

Look for signs of shiny, silvery colors with metals that are softer and more flexible than other metals. If you see these characteristics, you may have aluminum. Check your metal by applying the magnet test again if you suspect that the metal is aluminum.

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What aircraft parts should not be welded?

Do not weld alloy steel parts such as aircraft bolts, turnbuckle ends, etc., which have been heat treated to improve their mechanical properties.

What is the preferred method of welding magnesium?

Tungsten Inert Gas (TIG) Welding Magnesium. Because of its rapid oxidation when magnesium is heated to its melting point, an inert gas (argon or helium) is used to shield metal when TIG welding Magnesium. This process requires no flux and permits high welding speeds, with sound welds of high strength.

Why is magnesium used in aircraft?

Critical metals are a crucial component in new technologies And while they are more expensive than aluminum, they are also up to 50 percent lighter — that means using magnesium alloys could offset the fuel costs associated with flight and help reduce carbon emissions.

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Where is magnesium used in aircraft?

Magnesium can be found in the thrust reversers for the Boeing 737, 747, 757, and 767 as well as in jet engine fan frames, and aircraft and helicopter transmission casings.

Why is titanium used in aircraft?

Due to their high tensile strength to density ratio, high corrosion resistance, and ability to withstand moderately high temperatures without creeping, titanium alloys are used in aircraft, armor plating, naval ships, spacecraft, and missiles.