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Q. A powerful eye irritant present in smog is
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Q. ' Misch metal ' is widely used in manufacture of which of the following
Q. What are the number of moles of CO2 which contains 16 g of oxygen?
Q. Lead caulked joints are used for laying
Q. Copper substances when exposed to air gains a green coating due to the formation of:
Q. Roxarsone, an arsenic containing nitrophenol is used as
Q. what is the symbol of gold?
Q. What will be the number of neutrons in an atom having atomic number 35 and mass number 80?
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