B. Circle the correct choice for each statement 1. The number of substances in a mixture (can - cannot) be varied, for a compound they (can - cannot). 2. The different substances in a mixture (can - cannot) be joined chemically; a compound (can - cannot). 3. Substances in a mixture (do - do not) keep their own properties. 4. Substances in a compound (can - cannot) be easily separated; in a mixture, they (can - cannot). 5. Examples of (mixtures - compounds) are air, sea water, and most rocks. 6. Examples of (mixtures - compounds) are water, salt, and sugar. 7. Compounds are made of elements and have a (physical – chemical) formula. 8. A (solvent - solute) is the substance that dissolves in another substance. 9. True or False: A mixture cannot have five substances. 10. True or False: In a suspension, a substance may sink to the bottom.​