3Na2O(at) + 2Al(NO3)3(aq) —> 6NaNO3(aq) + Al2O3(s)
This is a double replacement reaction and NaNO3 is aqueous because Na is an alkali metal, plus nitrate is in the solution. Both of these are soluble. Al2O3 is not soluble because it does not contain any element that is soluble and is hence the precipitate.
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Answer:
An engineer that designs buildings is a structural engineer.
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The answer to the question Retraction. Its because the light goes around it
Answer:
This bag has been made from introduced materials, but before foreign fibres were used dilly bags were made from bark, leaves, stems, roots, human hair, animal fur and animal sinew.
