Two students plan and carry out an investigation to determine if ionic or covalent bonds have stronger intermolecular forces; they use salt and sugar. They collect the following data: Sugar (covalent) white rough, small grains Salt (ionic) white rough, very small grains soluble soluble melts easily does not melt Which of the following tests will most help them to infer the strength of intermolecular forces between ionic and covalent compounds? Color Texture, grain size Solubility in water Melting point 58°F Clear 99+

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