8.Hydroxides of these metals do not undergo thermal decomposition?
1.calcium magnesium
2.pottasium sodium
3.aluminium,zinc
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Pottasium and Sodium
Explanation:
NaOH
heat→ no reaction
NaNO3 heat→ NNaNO + 2/1 O2
The metal whose hydroxide does not decompose on heating but its nitrate decomposes is sodium.
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