You are required to distinguish between two unknown substances blindfolded. You were told that the two substances are a mixture. What are the questions you would ask to identify the types of mixture?
Answers
1. What are the shapes of the substances?
2. What are the sizes of the substances?
3. What are the textures of the substances?
4. Is any of those substances are edible or not? If yes, then what would their taste be?
5. Is any one of those substances sonorous or not? If yes, then what sound will they make?
6. Are those substances were aromatic/odorous or not? If yes, then what would their smell be?
7. Is any of those substances were luminous or not? If yes, what is the colour/frequency of the light they emit?
8. What is the weight of 1 mole of the substances (in grams)?
9. What is the density of the substances (=,< or > than water)?
10. What is the colour of the substance?
11. Are the substances metallic or nonmetallic?
12. Is the mixture homogenous/alloy or not?
13. Is any of the substances were poisonous/toxic or not?
14. Are the substances thermal insulators or thermal conductors?
15. Are the substances electric insulators or electric conductors?
16. Is any of the substances magnetic?
17. Are the substances more chemically reactive than hydrogen gas or not?
18. How abundant the substances are and where would they be found most abundantly in raw form?
19. Is any one of the substances radioactive or not?
20. If any one of the substances had any commercial/medical/industrial use or not? If yes, what were their uses?
21. Is any of those substances organic or inorganic? If they were organic, where and in which type of reactions in living organisms would they be found participating in?
22. Are those acids, bases or salts?
23. Is the substance larger in quantity gaseous, solid, or aqueous?
24. Do the substances have low ignition temperature or not?
25. What are their boiling and melting points or if any one of the substances sublimes easily?
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