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OpenStudy (anonymous):
When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volumes of hydrogen evolved is - (a) 1 : 1 (b) 1 : 2 (c) 2 : 1 (d) 9 : 4
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OpenStudy (anonymous):
b shayad
OpenStudy (anonymous):
ok
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