Tag: nutrients and deficiency

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Multiple choice evs - i constituents of food minerals in our diets types of nutrients 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
Reveal answer Fill a bubble to check yourself
C Correct answer
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.

Multiple choice evs - i constituents of food minerals in our diets types of nutrients nutrients and deficiency

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
Reveal answer Fill a bubble to check yourself
D Correct answer
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)