(27) Which of the following is an ore of iron? (a) Dolomite (b) Epsom Salt (c) Siderite (d) Galena
option C. Siderite is an ore of iron. It is a mineral composed of iron(II) carbonate (FeCO3) and is a treasured iron mineral, because it's miles 48% iron and carries no sulfur or phosphorus. Dolomite is a not unusualplace rock fashioned from calcium magnesium carbonate while Galena is the herbal mineral shape of lead(II) sulfide and Epsom Salt is compound of magnesium and sulfate.
