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Chemistry Quiz: Colloidal Solutions, Metal Extraction, and Electrolytes

10 Questions

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Chemistry Quiz: Colloidal Solutions, Metal Extraction, and Electrolytes

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Questions and Answers

What is the size range of colloidal particles in a colloidal solution?

10^-9 - 10^-12 m

10^-12 - 10^-19 m

10^-6 - 10^-9 m (correct)

10^-19 - 10^-22 m

Which metal is extracted through the MacArthur method?

Ag (correct)

Why is KCl used in a salt bridge?

The conductivities of K+ and Cl- ions are almost equal (correct)

It forms a thick solution with gelatin

It is an electrolyte

It is a good conductor of electricity

What is milk classified as?

Fat dispersed in water Signup and view all the answers

Which type of catalysis involves a catalyst that is in a different phase from the reactants?

Heterogeneous catalysis Signup and view all the answers

In the smelting method for the extraction of iron metal, which chemical composition forms the slag?

CaSiO3 Signup and view all the answers

What metal is used to heat an electric iron?

Nichrome Signup and view all the answers

Which radioactive element has large reserves found in India?

Thorium Signup and view all the answers

Which compound is commonly used in mouthwashes and toothpastes?

Suhaaga Signup and view all the answers

What is ultimately formed as a result of radioactive electrification of uranium?

Lead Signup and view all the answers