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Match List – I with List – II :
         List – I                  List – II
         a) Be                     i) treatment of cancer
         b) Mg                    ii) extraction of metals
         c) Ca                     iii) incendiary bombs and signals
         d) Ra                     iv) windows of X-ray tubes
                                      v) bearings for motor engines
         Choose the most appropriate answer from the option given below:

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An Intiative by Sri Chaitanya

a – iii, b – iv, c – v, d – ii

a – iv, b – iii, c – ii, d – i

a – iii, b – iv, c – ii, d – v

answer is B.

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Detailed Solution

Be Þ used for making window x-ray tube

Mg Þ used in signals and incendiary bombs

Ca Þ used for the extraction of metals

Ra Þ for the treatment of cancer

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Match List – I with List – II : List – I List – II a) Be i) treatment of cancer b) Mg ii) extraction of metals c) Ca iii) incendiary bombs and signals d) Ra iv) windows of X-ray tubes v) bearings for motor engines Choose the most appropriate answer from the option given below: