1. Can 99% isopropyl alcohol be stored in a clear container?
  2. Is water with oxygen-17 safe to drink?

  3. Can the HH bond formation energy be greater than the HO bond formation energy in any situation?

  4. KOH soap + citric acid + magnesium chloride?
  5. Why don't we explode after drinking water?

  6. Making 1mM Paclitaxel solution with 1mg of compound powder
  7. Why is water liquid?

  8. The chemical reaction between lemon juice and polystyrene foam cups

  9. Is identifying a chemical equivalent to be able to produce it?

  10. Best way to mix essential oils with water?

  11. How do meth lab test kits detect the presence of a meth lab?
  12. Using Richard Feynman's methods in learning/studying

  13. Gathering Hair In Water

  14. Can paraffin wax and used cooking oil be mixed in making a candle?
  15. Does 95.8% silver tarnish as fast 92.5% silver?

  16. What fraction of the vapour in electronic cigarettes is water?

  17. Why is methanol toxic?

  18. Why do these glass pieces break in the specific way they do?

  19. Why do sealed plastic bottles of pop collapse as the contents get old?

  20. Why is carbon dioxide gas used in soda?

  21. Why is energy absorbed and released during breaking and formation of a chemical bond?
  22. How are poisons discovered? Does someone have to die/be poisoned from it first?
  23. Transesterification of vegetable oils to produce biofuels - problems in the lab
  24. What is responsible for the odor of gasoline?
  25. Freezing liquid by dipping in liquid nitrogen?
  26. Chemical combination
  27. Chemical Formulas of Acids and Bases

  28. Why does gaseous HCl not change dry blue litmus paper to red?

  29. Why was my soap measured as acidic?

  30. Chemistry behind Gale's coffee maker in Breaking Bad

  31. Minerals in water solidify when heated?

  32. What is "mer", the first ingredient in a type nail polish?

  33. How does lye appear in ashes?

  34. Why is helium used in diving apparatus?

  35. Why calcium chloride is used to melt ice over sodium chloride
  36. Why does water volume decrease when salt is added?

  37. Sensitive test for lead in water?
  38. What is this colorless ferric solution?

  39. Why is sodium chloride edible whereas both sodium and chlorine are highly reactive?
  40. What chemical can cause such a fire?

  41. Why does Soda Pop after Shaking

  42. Why does regular spray paint "eat" styrofoam?
  43. Function of water and the need of two barrels in a biogas Generator

  44. How does diluting acetic acid affect its reaction with sodium bicarbonate?
  45. Reaction of electromagnetic radiations with the air pollutants

  46. What is the relation between Rate of reaction and rate of consumption of reactants?
  47. Can graphite conduct electricity in molten state?

  48. Is the vinegar and baking soda experiment safe for children?

  49. Do all decomposition reactions involve heat?

  50. Repairing acetone damage and discoloration to plastic

  51. Question about the Law of Definite Proportions

  52. Reaction of copper with lactic acid
  53. Electron Energy Levels?

  54. Why did permanent marker come off of glass after rubbing it with my fingers?

  55. Water from coffee condensation
  56. Xylan vs. Teflon for non-stick food pans?

  57. What is a suitable acid to remove limewash from masonry brick
  58. Is it dangerous to inhale the steam coming from electrolysis of salt-water solution
  59. Using drip extraction, how much caffeine is extracted from coffee as a function of the amount of water used?

  60. Acetic acid odor while testing CO2 sensor; can it be easily removed, is there a better way?

  61. Home test for magnesium carbonate

  62. UV-Vis and Polylactid Acid (PLA)

  63. What is the modern hardware/supermarket term for 'laundry bluing'?

  64. Why do pregnant women turn toilet seats blue?

  65. Separating sugar from soda

  66. Sodium Chlorite vs. Chlorine Dioxide

  67. Microwaving a glass of water, what happens?

  68. Le Chatelier's principle: Are there any exceptions?

  69. Why does my blood taste like rust?
  70. Looking for Desiccants

  71. Does alum react with zinc?

  72. Why do vinegar and other acids remove rust?

  73. For what reasons, is isopropyl alcohol widely used as a cleaning solvent?
  74. Silk Amino Acids and Fruit

  75. What happened to this 10 year old unopened plastic bottle?

  76. Residual catalyst leaching from PETE

  77. Coffee and argon/nitrogen

  78. Does calcium hydroxide react with citric acid in orange juice?

  79. Why do shampoo ingredient labels feature the term "Aqua"?

  80. Why do most drugs (eg: oxycodone) have seemingly arbitrary names?
  81. Why is oxygenated water not H2O2?
  82. How to measure ratio of Na to K in table salt?
  83. Scent neutralizer
  84. Why does the pH of soft drinks get lower as they go flat?

  85. Why is nitric acid often used to digest any solid sample?
  86. Is dissolving salt a chemical reaction or a physical change?

  87. Chemistry of toilet bowl mineral stains on porcelain

  88. Properties of Salt Water -- Some Observations

  89. Is it possible to neutralize acids with vinegar (e.g. when experiencing heartburn)?

  90. Aluminum foil: which side to use?

  91. Chemistry toilet paper
  92. Sudden pressure rising in a pipe of an old plant transporting 33% ammonia solution

  93. How does % purity on household products work?

  94. Any side effects to using calcium chloride as a desiccant?

  95. Is the compound CM-7 in Red Comet fire grenades azeotropic dichloromethane?
  96. Why dont we use potassium hypochlorite for bleach
  97. Why does the CO2 gas quantity in Sodastream cartridges differ in different nations?
  98. Does a gold detector exist?
  99. A glass of water with ice-cubes in it. Where's the water the coldest; at the top or bottom?

  100. Chemical reaction to produce 5 liter of gas