Tag: nutrients and deficiency

Questions Related to nutrients and deficiency

Many minerals can be mined from the deep sea, such as:

  1. gold, nickel and cobalt

  2. copper, manganese and zinc

  3. both $A$ and $B$

  4. none of these


Correct Option: C
Explanation:

Deep Sea mining is relatively unconventional method of extracting Rare Earth Elements (REE). It is an effective way to obtain a large amounts of rare earth metals. Minerals mined are- $Ag,Au,Cu,Mn,Co$ and $Zn$, etc.

Which one of the following is a mineral?

  1. Gypsum

  2. Magnesium

  3. Manganese

  4. Bauxite


Correct Option: D
Explanation:

Solution:- (D) Bauxite

Bauxite is the principal ore of aluminum. Aluminum in bauxite is hosted by aluminum hydroxide minerals including gibbsite, boehmite, and diaspore.

Among the below given minerals, Potassium Chloride is extracted from
a) Sylvite
b) Carnallite
c) Potash

  1. Only a

  2. Only a and b

  3. Only b and c

  4. All a,b and c


Correct Option: D
Explanation:

Potassium Chloride can be extracted from-

$a.$ Sylvite (Potassium Chloride in natural mineral form)
$b.$ Carnallite $(KCl\cdot MgCl _2\cdot 6H _2O)$
$c.$ Potash (rich in potassium chloride)