Science questions

2007-04-26 6:43 am
1. Annie wants to grow crystals from table salt.She follows the steps below.
(a). Add a spoonful of table salt to a beaker with 50cm3 of water at room temperature and stir with a glass rod.
(b). Repeat adding table salt to the water and stir until no more salt can dissolve.
(c). Stir for another 5 minutes to male sure the some slat remains undissolved.
(d). Carefully pour the solution into another beaker leaving the undissolved solids behind.
(e).Wait for crystals to form in the solution.

回答 (1)

2007-04-26 8:14 am
✔ 最佳答案
Q1 ) Saturated Solution
Q2) Increase the water temperature to dissolve more table salt in the solution.
Q3) Hang a piece of seed crystal in the solution after step (d)
參考: me


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