c. physical change
Explanation:
The separation of ink into its different pigments during chromatography is a physical change.
Ink is a mixture of many different pigments.
During chromatography, a mixture is separated based on the relative migration of constituents of mixture over an adsorbent.
- Separation techniques are used to celebrate mixtures based on their physical properties.
- During a physical change only the physical properties of matter like their form and state is changed.
- The process is easily reversible and no new kinds of matter are formed.
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Hello there,
Rocks that were once swampy sediments or peat beds contain carbon and are black, soft, and fossiliferous<span>.(also known as organic sedimentary rock)
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2. Ridge
A ridge is the only option that forms when plates move apart. The other options happen when the plates collide.
fluorine is the halogen used in toothpaste
