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Duralumin is an alloy of:
Duralumin is an alloy, a trade name given to the earliest types of the age hardenable aluminum alloys. It is an alloy made up of 90% aluminum,4% copper, 1% magnesium and 0.5% to 1% manganese. It is a very hard alloy.
Aluminium is not used:
As aluminium loose the electrons to the other atoms so it is reducing agent, not an oxidizing agent. So aluminium is not used as oxidizer
The protective film of oxide on the surface of Al metal may be strengthened by:
Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish.
Anodizing is accomplished by immersing the aluminum into an acid electrolyte bath and passing an electric current through the medium.
When Al is added to the potassium hydroxide solution:
When aluminum metal is added to an aqueous solution of potassium hydroxide (KOH), it reacts to produce hydrogen gas and potassium aluminate. The balanced equation is: 2Al(s) + 2KOH(aq) + 6H2O(l) → 2KAl(OH)4 + 3H2(g).
Which metal powder if spread in air, becomes hazardous:
Exposure to fine dust can cause scarring of the lungs (pulmonary fibrosis) with symptoms of cough and shortness of breath. * Aluminum powder is a FLAMMABLE SOLID and a DANGEROUS FIRE HAZARD
are non-supporters of combustion. However for putting out fires is preferred over because it:
Nitrogen is a lighter gas than oxygen. ... However, since carbon dioxide is denser than oxygen, carbon dioxide will occupy the region between fire and oxygen and will thus, remove the contact between fire and oxygen. Hence, it can help to put out the fire.
When sodium or potassium oxide is heated in a current of , we get:
Which can be directly brought into gaseous state from solid state?
(2)
Solid CO2 gets converted into the gaseous state by decreasing the pressure to 1 atmosphere without coming into the liquid state. Hence, solid carbon dioxide is also known as dry ice.
The neutral oxide is:
neutral oxides r
H2O
CO
N20
NO
Which is neutral to litmus?
Neutral to litmus is CO,N2O, NO,H20
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