With the help of balanced chemical equation , explain what happen when
1: Zinic is put in dilute hydrochloric acid.
2: zinic is put in concentrated sodium hydroxide
3:Hydrogen is passed over hot tungsten oxide
4: Hydrogen is reacted with carbom monoxide in presence of a catalyst
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1) Zn+2Hcl --> Zncl2+H2
2) Zn+2Naoh --> Na2Zno2+h2
3) Wo3+3H2 --> W+ 3H2o
4) attached
2) Zn+2Naoh --> Na2Zno2+h2
3) Wo3+3H2 --> W+ 3H2o
4) attached
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