chemistry - 01

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1. The most reactive among the halogens is [1997]

Alloy : gun metal
Composition : cu (85%), zn (10%), sn(5%)
Use : used for engineering purpose.      .. More >>

chadic language:
n.
1.a family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa      .. More >>
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