Home › AP EAPCET (Engineering) › Chemistry › Boron Group › Why can concentrated nitric acid be stored in al…
Why can concentrated nitric acid be stored in aluminium containers?
AA protective oxide layer forms
BAluminium is a noble metal
CNitric acid is a weak acid
DAluminium forms a nitride
Answer & Solution
Correct answer: A. A protective oxide layer forms
A thin Al2O3 film forms on the surface and protects the metal from oxidising acids.
Related questions
Aluminium sulfide on contact with water yields aluminium hydroxide andBoron was first extracted in 1808 by which method used by Humphry Davy?A lack of boron in soil leads to what in plants?Thallium is best known for beingGallium arsenide is an important compound used inWhich group 13 element is synthetic and has no stable isotopes?Which group 13 element is a stable monoisotopic one, with only 27Al?Aluminium smelters are sited where electricity is plentiful and cheap because production i