Question
With reference to Critical Minerals for India, consider
the following statement: 1.   These are the elements that are the building blocks of essential modern-day technologies. 2.   Iron, Copper, lithium and nickel are examples of critical minerals. 3.   Uranium is not in the list of critical minerals suggested by GOI. Which of the statements given above is/are not correct?Solution
These minerals are Antimony, Beryllium, Bismuth, Cobalt, Copper, Gallium, Germanium, Graphite, Hafnium, Indium, Lithium, Molybdenum, Niobium, Nickel, PGE, Phosphorous, Potash, REE, Rhenium, Silicon, Strontium, Tantalum, Tellurium, Tin, Titanium, Tungsten, Vanadium, Zirconium, Selenium and Cadmium. Uranium was removed as it is classified as a fuel mineral. Platinum group metals (Iridium, Palladium, Platinum, Rhodium, Ruthenium and Osmium) were previously listed together as one group. They have been separated and Iridium and Osmium have been removed from the list.
Study the following questions carefully and choose the right answer:
The ending of a nerve cell used to acquire information from our environmen...
Which of the following element is used for the manufacture of the safety-matches?
_______ is a common name of ethanoic acid.
Who proposed the 'Law of Octaves' in the periodic classification of elements?
During which operating conditions of an automobile is carbon monoxide content in exhaust gas maximum?
Match the following columns and choose the correct option:
Column I A. Leishmania donovani B. Trypanosoma gambiense C. Entamoeba histolytica D. W...
Which element causes whiptail disease in plants?
Which of the following elements is a member of the actinoid series?
Which of the following cannot be cut by a knife?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called: