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प्रश्न
Give reasons: Aluminium alloys are used to make aircraft body.
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उत्तर
Aluminium has a high tensile strength and is very light in weight. It can also be alloyed with various metals such as Cu, Mn, Mg, Si, and Zn. It is very malleable and ductile. Therefore, it is used in making aircraft bodies.
संबंधित प्रश्न
Write reactions to justify amphoteric nature of aluminium.
What happens when Borax is heated strongly.
What happens when Boric acid is added to water?
What happens when Aluminium is treated with dilute NaOH?
Give reason for Conc. HNO3 can be transported in aluminium container.
Give reasons: A mixture of dilute NaOH and aluminium pieces is used to open drain.
Give reasons: Aluminium utensils should not be kept in water overnight.
When metal X is treated with sodium hydroxide, a white precipitate (A) is obtained, which is soluble in excess of NaOH to give soluble complex (B). Compound (A) is soluble in dilute HCl to form compound (C). The compound (A) when heated strongly gives (D), which is used to extract the metal. Identify (X), (A), (B), (C) and (D). Write suitable equations to support their identities.
The type of hybridisation of boron in diborane is ______.
Explain the following:
Aluminium forms [AlF6]3– ion but boron does not form [BF6]3– ion.
Account for the following observations:
AlCl3 is a Lewis acid
\[\ce{AlF3}\] is soluble in HF only in presence of KF. It is due to the formation of ______.
