Untitled Quiz

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Questions and Answers

Which of the following is NOT a colligative property?

Vapor Pressure Lowering
Solubility (correct)
Osmotic Pressure
Boiling point elevation

What is the definition of a colloid?

A colloid is a heterogeneous mixture where one substance is dispersed evenly throughout another substance.

What is the difference between physisorption and chemisorption?

Physisorption is a weak, reversible process driven by van der Waals forces, while chemisorption is a strong, irreversible process driven by chemical bonding between the adsorbent and adsorbate.

The Ellingham diagram provides a basis for the choice of reducing agent for the reduction of a particular metal oxide.

True (A) Signup and view all the answers

Which of the following is NOT a method of refining metals?

Sublimation (D) Signup and view all the answers

What is the difference between anionic and cationic detergents?

Anionic detergents contain a negatively charged head group (anion), while cationic detergents contain a positively charged head group (cation). Signup and view all the answers

What is the primary function of an antacid?

To neutralize excess acid in the stomach (A) Signup and view all the answers

What is the difference between a drug that acts as an agonist and a drug that acts as an antagonist?

An agonist mimics the action of a natural messenger by binding to a receptor and activating it. An antagonist blocks the action of a natural messenger by binding to a receptor and preventing it from being activated. Signup and view all the answers

The ______ is a linear polymer of isoprene (2-methyl-1,3-butadiene).

Natural rubber Signup and view all the answers

Addition polymerization is a chain growth process where monomers are added one at a time to the growing polymer chain.

True (A) Signup and view all the answers

What is the difference between a thermoplastic and a thermosetting polymer?

Thermoplastics can be repeatedly softened by heating and reshaped without undergoing chemical change. Thermosetting polymers become permanently rigid and infusible upon heating and cannot be reshaped or melted. Signup and view all the answers

Match the following terms to their correct definitions:

Monosaccharide = A simple sugar that cannot be hydrolyzed further Disaccharide = A sugar composed of two monosaccharide units Polysaccharide = A complex carbohydrate made up of many monosaccharide units linked together Glycogen = The storage form of glucose in animals Starch = The storage form of glucose in plants Cellulose = The structural component of plant cell walls Signup and view all the answers

What are the four levels of protein structure?

The four levels of protein structure are primary, secondary, tertiary, and quaternary. Signup and view all the answers

Denaturation of a protein involves the breaking of covalent bonds, leading to a permanent change in its structure and function.

False (B) Signup and view all the answers

Flashcards

Solids Mind Map

A visual representation of concepts related to solids.

Solutions Mind Map

A visual representation of concepts about solutions.