All of the following processes involve a separation of either a mixture into substances or a compound
Question:
a. Sodium metal is obtained from the substance sodium chloride.
b. Iron filings are separated from sand by using a magnet.
c. Sugar crystals are separated from a sugar syrup by evaporation of water.
d. Fine crystals of silver chloride are separated from a suspension of the crystals in water.
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BACKGROUND Firstly the three key terms that need to be understood before answering this question are substance physical change and chemical change Sub...View the full answer
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Rishamdeep Singh
I tend to start exploring anything in science from its history or evolution, as we call it in Biology. The depth to which I have to go in explaining or helping in the completion of project is decided by the level at which my student is or the aptitude shown by him/her. The sources of information are always shared so that students are not 'spoon-fed' but take interaction with me as a learning experience. I too learn from my students and continuously try to improve on my methods.
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