1.

Write the formulae of borax and boric acid.

Answer»

`Na_2 B_4 O_7 * 4H_2 O`
`Na_2 B_4 O_7 * 10 H_2 O`
`NAOH * B_2 O_3`
`Ca_2 B_6 O_(11) * 5H_2 O`

SOLUTION :`Na_2 B_4 O_7 * 10 H_2 O`


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