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A white, crystalline compound that breaks down when affected by light.

Hypochlorite ions are formed when water is disinfected with chlorine.

A helical molecule consisting of alpha-D-glucose units. It is one of the basic components of starch.

Fibroin is a fibrillar protein excreted by silkworms.

Alpha-D-glucose is one of the stereoisomers of glucoses, specifically the D-glucoses.

A colourless, viscous liquid, a highly corrosive, strong acid used in several industrial processes.

A light yellow compound formed in the reaction of silver nitrate and potassium iodide.

Common salt (or table salt) is one of the most important sodium compounds, indispensable for living organisms.

A white, crystalline compound which breaks down when exposed to light.

Halogen elements are a group in the periodic table consisting of five chemically related elements, fluorine, chlorine, bromine, iodine, and astatine.

Atoms within hydrogen halides are bound by covalent bonds, forming polar molecules.

A non-polar amino acid. L and D molecules are mirror images of each other.

Buildings constructed of prefabricated concrete blocks were widespread in the former Socialist countries.

Examining solids formed by the intersection of a cube and a plane.

This animation demonstrates various types of cuboids through everyday objects.

Building cubes shown in several views from the available unit cubes aids spatial vision and other skills.

สุสานคริสเตียนยุคแรกในเมืองเปช ประเทศฮังการีเป็นสถานที่ทางประวัติศาสตร์ที่มีความสำคัญ