Q: What are the constituents of alloy solder?
(a)Pb and Zn
(b)Pb and Sn
(c)Pb and Si
(d)Pb and Co
Correct Answer: (b)
The correct answer is (c) 'Pb और Si'. This question from the General Studies domain tests knowledge of Miscellaneous.
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CDS 2021 Session IIChemistryQ. 12 of 116