2(NH4)3PO4 (aq) + 3Ni(NO3)2(aq) ------> Ni3(PO4)2(s) + 6NH4NO3 (aq)
Ni3(PO4)2 is a precipitate.
À because they getting block for water not getting in
Explanation:
chemical to add to swimming pools in order
to make the water safer. She mixed two solid
substances together in a sealed container.
The diagram above shows the repeating
groups of atoms that make up the two
starting substances.
After mixing, Tiana found two liquid
substances in the sealed container.
(Nothing had escaped.) Which of the
diagrams to the left shows the repeating
groups of atoms that make up the ending
substances?
Answer- The given statement about scientific method is true.
Explanation- The main purpose of applying scientific method is to gain knowledge or learning about something and get to know about that thing one has to go to a specific path of scepticism Then on the basis of the assumptions made the observation have to be interpreted accordingly .
To get to know about something some assumptions or hypothesis have to be made this is the only way to proceed for or any field where scientific method is applied.