Pyrolusite, Braunite, Psilomelane and Rhodochrosite are the ores of which among the following:
1. Manganese
2. Aluminium
3. Copper
Choose the correct option:

Related MCQs

• Consider the following advantages of the Optic Fibers and the Copper wires: Optic Fibers are NOT susceptible to the electrical interference Optic Fibers can be used to transmit more signals that Copper Wires Optic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires. Which among the above stand correct ?
• Which of the following is / are correct statements with respect to Copper (Cu), Silver (Ag) and Gold (Au)? 1. All of them are can be found naturally in their elemental state 2. All of them belong to same group in the periodic table Select the correct option from the codes given below:
• If a person wants to increase the level of good Cholesterol in his / her body, which among the following you would advise? 1. Increase the use of trans fatty acids in diet 2. Stop smoking 3. Consumption of omega-3 fatty acids Choose the correct option:
• Galena & Litharge are ores of which of the following metals?
• Why do the bacteria develop resistance after slowly being exposed to a particular antibiotic? Due to mutation in genes Due to Horizontal Gene Transfer Due to Vertical Gene Transfer Choose the correct option:
• Consider the following: Copper Zinc Tin Gun Metal is the alloy of which among the above?
• A 10 Kg block of Iron has which of the following twice in value in comparison to a 5 Kg block of Iron? 1. Inertia 2. Mass 3. Volume Select the correct option from the codes given below:
• In which of the following diseases copper accumulates in tissues ?
• Consider the following statements regarding the GMO (Genetically Modified Organisms) and LMO (Living Modified Organism): GMO are essentially dead , while the LMO are alive and can grow GMO are patentable, while LMO are not patentable GMO are modified using Genetic Engineering, while LMO are modified by other technologies. Which among the above statements is / are correct?
• Consider the following statements: Both Cochlea and Vestibular system are parts of Internal ear Only Cochlea makes the auditory system of human body None of the malleus, incus, and stapes are found in the internal ear. Which among the above statements are correct ?