Question set II
Q 1) Polyethylene Terephthalate (PET) bottles are very famous in households as containers for liquids and foods. These containers can be recycled, as indicated by number __ (the resin identification code) molded on PET bottles inside the universal recycling symbol.
Q 2) In December 2016, an Indian research group demonstrated superconductivity in this element, challenging the applicability of the Bardeen-Cooper-Shrieffer (BCS) theory of superconductors. Name the element.
Q 3) The head of a ‘safety’ matchstick contains an oxidizing agent mixed with sulfur and glass powder. Name the oxidizing agent?
Q 4) The age of a given rock can be established by calculating the ratio of Uranium to Metal ratio in the sample. Name the metal used for dating
Q 5) Visual question
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