Selenium is a pure chemical element.
Sulphur powder is a pure substance.
Cocoa powder is a mixture of substances.
Tomato powder is a mixture.
It is found either as a red amorphous powder or as a black powder (the two allotropes of selenium)
Copper powder is considered a pure substance if it consists solely of copper particles without any contaminants or other materials. However, in practical applications, copper powder may contain trace impurities, which could affect its purity. Therefore, while copper powder can be classified as a pure substance in an ideal sense, its purity may vary based on the manufacturing process and handling.
Sulphur powder is a pure substance.
Selenium is a chemical element. It can be said to be a pure substance; there is nothing else found in it.
Tomato powder is a mixture.
Cocoa powder is a mixture of substances.
Yes Baking Powder Is A Pure Substance.
Baby powder is a mixture composed of various ingredients such as talc, cornstarch, and fragrance.
It is found either as a red amorphous powder or as a black powder (the two allotropes of selenium)
Copper powder is considered a pure substance if it consists solely of copper particles without any contaminants or other materials. However, in practical applications, copper powder may contain trace impurities, which could affect its purity. Therefore, while copper powder can be classified as a pure substance in an ideal sense, its purity may vary based on the manufacturing process and handling.
Pure selenium not; various preparations yes.
Yes, selenium is odorless in its pure form. When selenium compounds are formed and interact with other substances, they may produce odors.
compound. an element is a pure substance. Jell-o is powder mixed with other stuff.
pure substance, propanone