Each Symbol Denotes an Element Except

question 19

Multiple Choice

Each symbol denotes an element except

• A)Co.
• B)CO.
• C)Cu.
• D)C.
• E)Cl.

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Definitions:

Heterogeneous

A mixture composed of components that are not uniformly distributed or that have localized concentrations.

Homogeneous

Describes a mixture or material that has a uniform composition and properties throughout.

Catalysts

Substances that increase the rate of a chemical reaction without being consumed in the process.

Hydrogen Peroxide

A chemical compound with the formula H2O2, known for its strong oxidizing properties and used as a bleaching agent and disinfectant.