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QUESTION
Q9) One gram hydrogen is found to combine with 80g of bromine. One gram of calcium ( valency=2) combines with 4g of bromine. the equivalent weight of calcium is ... [ NCERT 1982]




SOLUTION

As 1 g H2 combines with 80g of Br2, eq.wt of Br=50
4g Br2 combine with 1g Ca
∴ 80g Br2 combine with Ca=20 g
Hence equivalent wt of Ca=20 gAnswer: (b)