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Published byBrian Collins Modified over 6 years ago
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Week 14 1. A student made a solution by dissolving sugar in tap water
Week A student made a solution by dissolving sugar in tap water. She wanted to increase the concentration of her sugar solution. Select the best way for her to do that. Add more sugar to the existing solution Add more water to the existing solution Warm the solution Agitate the solution 2. Carbon dioxide in the atmosphere reacts with rainwater to form carbonic acid. The pH of this rainwater is Less than 7. 7. Greater than 7. Not measurable by ordinary means.
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3. Which of the following substances is acidic?
Liquid soap C. Baking soda Vinegar D. Flour 4. The picture below shows a carbonated beverage. Which term describes the CO2 gas? Ion Element Solute Solvent
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