Description : Which one of the following is a mineral of iron? (1) Magnetite (2) Malachite (3) Cassiterite (4) Pyrolusite
Last Answer : Magnetite
Description : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.
Last Answer : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.
Description : The most important ore of lead is – (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite
Last Answer : (1) Galena Explanation: Galena is the natural mineral form of lead sulfide. It is the most important lead ore mineral. Galena is one of the most abundant and widely distributed sulfide minerals.
Description : The most important ore of lead is (1) Galena (2) Magnetite (3) Pyrolusite (4) Siderite
Last Answer : Galena
Description : Which of the following is not a hydrated oxide mineral?
Last Answer : Which of the following is not a hydrated oxide mineral? A. Bauxite B. Corundum C. Diaspore D. Gibsite
Description : Bauxite is an oxide mineral o f
Last Answer : Bauxite is an oxide mineral o f A. Barium B. Boron C. Bismuth D. Aluminium
Description : Which is the black impure aluminium oxide mineral found in nature?
Last Answer : Emery
Description : Asbestos (A) Is a natural fibrous mineral substance (B) Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) (C) Contains iron oxide and alumina (D) All the above
Last Answer : Answer: Option D