chemistry
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Top 10 Amazing Chemistry Videos | Wired Science
The graph shows the results of an experiment to monitor the pH of mouth fluids when various foods are eaten. In this case, Jim and Jane were enjoying sweet cakes and eating one every five minutes from 10 minutes to 30 minutes of the experiment. The pH was still measured before they started eating and for 15 minutes after they were told to stop eating. The experiment lasted a total of 45 minutes and Jane brushed her teeth 5 minutes after eating her last cake. What could you say is most likely TRUE based on the graph of results?
KS3 Science-Chemistry Quiz on "ACIDS and ALKALIS" (based on QCA 7E)
KS3 Science-Chemistry Quiz on "Particle models of gases, liquids & solids & solutions" (QCA 7G & 7H)
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We're sure you and skoool™ Learning and Teaching Technology will have a special learning chemistry! Chemistry is about what things are made of, how they react with each other and how they change when they come together. React with skoool and revise the way you study Chemistry.