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Give reasons A mixture of dilute NaOH ...

Give reasons
A mixture of dilute NaOH and aluminium pieces is used to open drain.

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The `H_2` gas liberated in the reaction of Al with dilute NaOH is used to open clogged drains.
`2Al + 2NaOH + 2H_2O to 2NaAlO_2 + 3H_2`
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-SOLVED NCERT EXERCISE
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  3. Give reasons A mixture of dilute NaOH and aluminium pieces is used t...

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  15. When metal X is treated with sodium hydroxide, a white precipitate (A)...

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  17. What do you understand by allotropy ?

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