Which of these is a mineral of boron?
ABauxite
BColemanite
CCrookesite
DSphalerite
Answer & Solution
Correct answer: B. Colemanite
Colemanite is a calcium borate mineral; bauxite is aluminium ore, sphalerite is zinc sulfide.
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