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Formic acid can be detected with how many of the followings tests ? {:(,(a),"Idoform test",(b),"Tollen's test"),(,(c),"Litmus test",(d),"fehling test"),(,(e),NaHCO_(3) "test",(f),"Benedicts test"),(,(g),"Brady's test",(h),H^(oplus)KMnO_(4)"test"),(,(i),H^(oplus)K_(2)Cr_(2)O_(7) "test",(j),"Hinsberg test"):} |
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