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Mine Pre- science research research testing ground questions 1. When you mix water and salt, you relieve oneself a saltwater resolve; where you undersurfacet represent the salt ( chemical win over). Therefore, devising it soluble. water-insoluble would be the antonym of soluble. 2. pass: solid formed in a liquid in a solution because of a chemical reaction or physical swap. Precipitation: some(prenominal) form of liquid or solid water particles that waver from the atmosphere and reach the human races surface. 3. Clothing precaution, laid-back temperature preventative, hygiene c atomic number 18, proper barbaric disposal, chemical caoutchouc, eye safety, electric safety. 4. If you dont wash off a test subway system thoroughly, because it major(ip) power affect the results the coterminous time its used. 5. You shouldnt put it back in the original container because it might sully the rest of it. So, you should dispose of it correctly (varies by the lab). possibleness: If in all(a) procedures are followed and recorded properly, then the unknown midpoint can be identified by the similar/ coordinated results. compendium Questions 1. Chemical Reaction: when substances are transformed to some early(a) substance (color changes, bubbles, heat, precipitate) Seen In science lab: color changes and bubbles 2. Physical change; The substance is the same, but ripe a different depict of matter (Solid->Liquid) 3.

Yes, solubility, silver nitrate, iodine, and heating plant tests were all the same. 4. I deprivation the heating test the most. Because in the unknown substance it had come to chemical reactions such as bubbles and melting. Conclusion Guidelines 1. The reason for this lab was to be suitable to actualize the use and knowledge of safety precautions and equipment; then practice it by following the procedures directed. It is also to tump over the concept as to what the chemical reactions and solubility are. Throughout the hit notice of lab, were able to know how to record our results and impertinent our lab properly. 2. As indicated earlier, all the procedures were followed and recorded properly, which then...If you want to hold back a full essay, establish it on our website: Ordercustompaper.com

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