Helen is testing to see if substances are soluble or insoluble. She puts two difference substances in a jug of water and stirs them. Substance 1: This makes the water cloudy, but the water eventually becomes clear. Substance 2: This substance does not change its shape in the water and floats at the top. Which statement is true? Substance 1 is soluble, and Substance 2 is insoluble. Substance 1 is insoluble, and Substance 2 is soluble. Both substances are insoluble. Both substances are soluble.
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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What is the molecular formula of ferrous nitrate and ferric nitrate
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The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?
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Helen is testing to see if substances are soluble or insoluble. She puts two difference substances i...
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