Pictures of Chemicals

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Potassium Nitrate

Potassium nitrate or saltpeter is a white crystalline solid.
Potassium nitrate or saltpeter is a white crystalline solid. Walkerma, public domain

Sometimes it is helpful to see pictures of chemicals so that you know what to expect when dealing with them and so you can recognize when a chemical doesn't look the way it should. This is a collection of photographs of various chemicals that might be found in a chemistry laboratory.

02
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Potassium Permanganate Sample

This is a sample of potassium permanganate.
This is a sample of potassium permanganate, an inorganic salt. Ben Mills

Potassium permanganate has the formula KMnO4.

03
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Potassium Dichromate Sample

Potassium dichromate has a bright orange-red color.
Potassium dichromate has a bright orange-red color. It is a hexavalent chromium compound, so avoid contact or ingestion. Use an appropriate disposal method. Ben Mills

Potassium dichromate has a formula of K2Cr2O7.

04
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Lead Acetate Sample

Crystals of lead (II) acetate or sugar of lead.
These crystals of lead (II) acetate, also known as sugar of lead, were prepared by reacting lead carbonate with aqueous acetic acid and evaporating the resulting solution. Dormroomchemist, wikipedia.com

Lead acetate and water react to form Pb(CH3COO)2·3H2O.

05
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Sodium Acetate Sample

This is a crystal of sodium acetate trihydrate or hot ice.
This is a crystal of sodium acetate trihydrate. A sample of sodium acetate may appear as a translucent crystal or in the form of a white powder. Henry Mühlfpordt
06
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Nickel(II) Sulfate Hexahydrate

This is a sample of nickel(II) sulfate hexahydrate, also known simply as nickel sulfate.
This is a sample of nickel(II) sulfate hexahydrate, also known simply as nickel sulfate. Ben Mills

Nickel sulfate has the formula NiSO4. The metal salt is commonly used to provide the Ni2+ ion in electroplating.

07
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Potassium Ferricyanide Sample

Potassium ferricyanide is also called Red Prussiate of Potash.
Potassium ferricyanide is also called Red Prussiate of Potash. It forms red monoclinic crystals. Ben Mills

Potassium ferricyanide is a bright red metal salt with the formula K3[Fe(CN)6].

08
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Potassium Ferricyanide Sample

Potassium Ferricyanide
Potassium ferricyanide usually is found as red granules or as a red powder. In solution it exhibits a yellow-green fluorescence. Gert Wrigge & Ilja Gerhardt
09
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Green Rust or Iron Hydroxide

This cup contains iron(II) hydroxide precipitate or green rust.
This cup contains iron(II) hydroxide precipitate or green rust. The green rust resulted from the electrolysis of sodium carbonate solution with an iron anode. Chemicalinterest, public domain
10
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Sulphur Sample

This is a sample of pure sulphur, a yellow nonmetallic element.
This is a sample of pure sulphur, a yellow nonmetallic element. Ben Mills
11
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Sodium Carbonate Sample

This is powdered sodium carbonate, also known as washing soda or soda ash.
This is powdered sodium carbonate, also known as washing soda or soda ash. Ondřej Mangl, public domain

The molecular formula of sodium carbonate is Na2CO3. Sodium carbonate is used as a water softener, in the manufacture of glass, for taxidermy, as an electrolyte in chemistry and as a fixative in dyeing.

12
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Iron(II) Sulfate Crystals

This is a photograph of iron(II) sulfate crystals.
This is a photograph of iron(II) sulfate crystals. Ben Mills/PD
13
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Silica Gel Beads

Silica gel is a type of silicon dioxide that is used to control humidity.
Silica gel is a type of silicon dioxide that is used to control humidity. Although it is called a gel, silica gel actually is a solid. Balanarayanan
14
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Sulfuric Acid

This is a bottle of 96% sulfuric acid, also known as sulphuric acid.
This is a bottle of 96% sulfuric acid, also known as sulphuric acid. W. Oelen, Creative Commons License

The chemical formula for sulfuric acid is H2SO4.

15
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Crude Oil

This is a sample of crude oil or petroleum.
This is a sample of crude oil or petroleum. This specimen displays a green fluorescence. Glasbruch2007, Creative Commons License
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Your Citation
Helmenstine, Anne Marie, Ph.D. "Pictures of Chemicals." ThoughtCo, Mar. 13, 2017, thoughtco.com/chemical-photo-gallery-4074322. Helmenstine, Anne Marie, Ph.D. (2017, March 13). Pictures of Chemicals. Retrieved from https://www.thoughtco.com/chemical-photo-gallery-4074322 Helmenstine, Anne Marie, Ph.D. "Pictures of Chemicals." ThoughtCo. https://www.thoughtco.com/chemical-photo-gallery-4074322 (accessed January 23, 2018).