What is the product formed when $Zn$ reacts with an excess of $NaOH$?
- AZinc hydroxide
- BZinc oxide
- CDi sodium zincate
- DSodium zincate
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Which metal forms amide with $NH_3$ at $300\ ^oC$?
Easy
View SolutionWhich metal bicarbonates do not exist in the solid state?
$(i) \, LiHCO_3$
$(ii) \, Ca(HCO_3)_2$
$(iii) \, Zn(HCO_3)_2$
$(iv) \, AgHCO_3$
$(i) \, LiHCO_3$
$(ii) \, Ca(HCO_3)_2$
$(iii) \, Zn(HCO_3)_2$
$(iv) \, AgHCO_3$
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View SolutionWhich of the following metals produces hydrogen gas when heated with hot concentrated alkali?
Medium
View SolutionWhen compared with alkaline earth metals, the alkali metals have
Number of paramagnetic oxides among the following given oxides is ..... .
$Li_{2}O, CaO, Na_{2}O_{2}, KO_{2}, MgO$ and $K_{2}O$
$Li_{2}O, CaO, Na_{2}O_{2}, KO_{2}, MgO$ and $K_{2}O$
DifficultJEE MAIN 2021
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