Minerals & Energy Resources

Consider the following statements:
1. Fluoride used to reduce cavities, comes from a mineral fluorite.
2. Most toothpastes are made white with titanium oxide.
3. The sparkle in some toothpastes comes from mica.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. The term ore is used to describe an accumulation of any mineral mixed with other elements.
2. The mineral content of the ore must be in sufficient concentration to make its extraction commercially viable.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. In sedimentary rocks minerals may occur in the cracks, crevices, faults or joints.
2. The smaller occurrences are called veins and the larger are called lodes.
3. Major metallic minerals like tin, copper, zinc and lead etc. are obtained from veins and lodes.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. In sedimentary rocks a number of minerals occur in beds or layers.
2. They have been formed as a result of deposition, accumulation and concentration in vertical strata.
3. Gypsum, potash salt and sodium salt are formed as a result of evaporation especially in arid regions.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Sedimentary rocks
2. Decomposition of surface rocks
3. Igneous rocks
4. Metamorphic rocks
In which of the above mentioned forms minerals usually occur?

Consider the following statements:
1, The ‘placer deposits’ occur as alluvium deposits in sands of valley floors and the base of hills.
2. These minerals are generally corroded by water.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. The common salt, magnesium and bromine are largely derived from ocean waters.
2. The ocean beds lack manganese nodules.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Coal mining in Meghalaya is done by family member in the form of a long narrow tunnel.
2. It is also called ‘Rat hole’ mining.
3. Government provides financial assistance to enhance such mining activities.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Hematite is the finest iron ore with a very high content of iron up to 70 per cent.
2. Magnetite is the most important industrial iron ore in terms of the quantity used but has a slightly lower iron content than hematite.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. In Odisha high grade hematite ore is found in the Mayurbhanj and Kendujhar districts.
2. Very high grade hematites are found in the famous Bailadila range of hills.
3. Iron ore from Durg-Bastar-Chandrapur belt is exported to Japan and South Korea via Vishakhapatnam port.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. The Kudremukh mines located in the Western Ghats of Karnataka are a 100 per cent export unit.
2. The high quality iron ores are found in Maharashtra-Goa belt.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy.
2. It is also used in manufacturing bleaching powder, insecticides and paints.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. India has vast reserves of copper.
2. The Balaghat mines in Madhya Pradesh, Khetri mines in Rajasthan and Singhbhum district of Jharkhand are leading producers of copper.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Mica is a mineral made up ofa series of plates or leaves.
2. India\’s bauxite deposits are mainly found in the Amarkantak Plateau, Maikal hills and the plateau region of Bilaspur-Katni.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Non-conventional sources include: coal, petroleum, natural gas and electricity.
2. Conventional sources include solar, wind, tidal, geothermal, biogas and atomic energy.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Lignite is a low grade brown coal, used for generation of electricity.
2. The principal lignite reserves are in Neyveli in Tamil Nadu.
3. Bituminous is the highest quality hard coal.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. Coal
2. Petroleum
3. Natural gas
Which of the above is/are the source of thermal electricity?

Consider the following statements:
1. Uranium and Thorium, which are available in Jharkhand and the Aravalli ranges of Rajasthan.
2. The Monazite sand of Rajasthan is rich in Thorium.
3. Atomic Energy is obtained by altering the structure of atoms.
Which of the above mentioned statements is/are correct?