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Cobalt is an element. Atomic number 27, Atomic weight 58.9. This means if you have a sample of 100% cobalt (no impurities) all the atoms are the same, cobalt atoms. So yes, cobalt is a 'pure' substance in that it is not a mixture of materials.

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Is lye (NaOH) a mixture or pure substance compound?

Lye (sodium hydroxide, NaOH) is a pure substance compound. It is composed of sodium ions (Na+) and hydroxide ions (OH-).


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No, sodium hydroxide is a pure compound, not a mixture. It is a strong base made up of sodium ions (Na+) and hydroxide ions (OH-).


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Sodium hydroxide is a compound.


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Sodium hydroxide, also known as lye or caustic soda, is a synthetic compound that is industrially produced through the electrolysis of salt water. It is not found naturally in its pure form in the environment.


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Is caustic soda flakes are a pure substances or mixture?

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Is sodium hydroxide an ionic substance?

Yes, sodium hydroxide is an ionic substance. It consists of sodium ions (Na+) and hydroxide ions (OH-) held together by ionic bonds.


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