6.
A metal has bcc structure and the edge length of its
unit cell is 3.04 Á. The volume of the unit cell in
cm will be
(1) 1.6 x 10-21 cm
(2) 2.81 x 10-23 cm
(3) 6.02 x 10-23 cm3 (4) 6.6 x 10-24 cm3
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DS, BASES AND SALTS<br />(a) Which solution is the most alkaline ?<br />(d) Which solutions are neutral ?<br />(e) Which solution can be used to treat wasp stings?<br />( Which solution can be used to treat bee stings?<br />63. Hydrochloric acid reacts with a metal X to form a gas Y which burns with a 'pop' sound. Sodium hyd<br />solution also reacts with the same metal X (on heating) to form the same gas Y.<br />(a) Name X and Y<br />(b) Write the chemical equation of the reaction of metal X with (1) hydrochloric acid,
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