Question

now no.4 i will mark as branlist and follow also but only right answer​

Answer 1

Answer:

$\blue{\huge{\bold{\boxed{\green{\boxed{\pink{\underline{ANSWER}}}}}}}}$

ZnO+NaOH---->Na2ZnO2+H2O

is the given reaction

by taking 2 moles of NaOH it balances the reaction

therefore

${\huge{\red{ZnO+2NaOH---->Na2ZnO2+H2O}}}$

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