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

Question

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

Philoid · Accepted Answer

Sodium hydroxide and aluminium react to form sodium tetrahydroxyaluminate(III) and hydrogen gas. The pressure of the produced hydrogen gas is used to open blocked drains.

2Al + 2NaOH + 6H₂O → 2Na + [Al(OH)₄]⁻ + 3H

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

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