Across
- 5. -white powdery tiny circular shape, dissolves in water, neutral pH, no reaction with vinegar or heat.
- 6. -a pH below 7, often reacts with baking soda or fizzles.
- 7. -white clear crystally mostly, does not dissolve in water, pH 6, no reaction with vinegar or heat.
- 9. -what color indicators show about acidity or basicity.
- 12. -white powdery hexagonal shape, dissolves in water, neutral pH, no reaction with vinegar, melts with heat.
- 13. -white powdery tiny circular shape, dissolves in water, neutral pH, no reaction with vinegar, reacts with heat, matches salt.
- 14. -used to test for chemical reactions like bubbling or sizzling.
- 18. -white powdery thin circular shape, does not dissolve in water, pH 4, no reaction with vinegar or heat.
- 20. -a chemical that changes color to show pH level.
- 21. -whether a substance dissolves in water.
- 22. -white powdery tiny circular shape, dissolves in water, reacts with water and vinegar, pH 8, warm with heat.
Down
- 1. -a reaction seen when vinegar is added to baking soda.
- 2. -when the unknown substance shares all properties with a known one.
- 3. -white crystally powdery partially, does not dissolve in water, pH 11, reacts with vinegar and heat (browner).
- 4. -a pH above 7, like washing soda with pH 11.
- 8. -a reaction seen when water or vinegar is added to plaster of paris.
- 9. -white powdery thin circular shape, does not dissolve in water, sizzles with water and vinegar, pH 6, no heat reaction.
- 10. -used to test solubility and reaction behavior.
- 11. -white powdery chunky shape, does not dissolve in water, neutral pH, reacts with heat.
- 15. -a pH of 7, meaning neither acidic nor basic.
- 16. -used to test if a substance melts, warms, or changes color.
- 17. -a visible change when a substance is exposed to heat, water, or vinegar.
- 19. -how a substance feels or looks (powdery, chunky, crystally).