The first metal used by man was

More Questions from Chemistry

• The most electronegative element among the following is
• The mass of one Avogadro number of helium atom is
• The National Chemical Laboratory is situated in
• The ionic radii of N3-, O2-, F- and Na+ follows the order
• The monomer of polythene is
• The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
• The gas used for artificial ripening of green fruit is
• The most electropositive elements among the following is
• The inexpensive and commonly used variety of glass is called soda glass. It is called so because
• The inert gases are ____ in water

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