HUMAN NUTRITION

NUTRITION

NUTRITION VITAMINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is mineral? ( must choose 2)
A
calcium.
B
vitamin B.
C
iron.
D
vitamin A.
Explanation: 

Detailed explanation-1: -The iron minerals that are at present used as ores are hematite, magnetite, limonite, and siderite.

Detailed explanation-2: -Graphite, salt, limestone and mica are the examples of minerals. A naturally occurring substance that has a definite chemical composition is known as a mineral.

Detailed explanation-3: -There are four main types of iron ore deposits worked currently, depending on the mineralogy and geology of the ore deposits. These are magnetite, titanomagnetite, massive hematite and pisolitic ironstone deposits.

There is 1 question to complete.