Gdz Khimiia 10 Klass Gabrielian Laboratornaia Rabota -

[List from book, e.g., Glycerol, Ethanol, Copper (II) sulfate, Sodium hydroxide]. Progress of Work (Ход работы) Action (Experiment Step) Observations Equations & Explanations 1. [Step Name]

"A blue precipitate formed..." or "The solution turned violet...". gdz khimiia 10 klass gabrielian laboratornaia rabota

[Copy the title exactly from your textbook, e.g., "Properties of Alcohols" or "Recognition of Plastics"] [List from book, e

To study the chemical/physical properties of [Substance Name] and learn how to identify them through qualitative reactions. Equipment and Reagents: [Copy the title exactly from your textbook, e

Describe what you saw (color change, gas bubbles, precipitation, or heat). Write the chemical formula:

CuSO4+2NaOH→Cu(OH)2↓+Na2SO4cap C u cap S cap O sub 4 plus 2 cap N a cap O cap H right arrow cap C u open paren cap O cap H close paren sub 2 down arrow positive cap N a sub 2 cap S cap O sub 4

Explain why: "This is a qualitative reaction for polyhydric alcohols".