Which of the Following Is Paired Incorrectly

question 19

Multiple Choice

Which of the following is paired incorrectly?

• A)H₂SO₄ - strong acid
• B)HNO₃ - weak acid
• C)Ba(OH)₂ - strong base
• D)HCl - strong acid
• E)NH₃ - weak base

---

Definitions:

Relational Database

A database variant designed to handle and make accessible interrelated data points.

Cardinality

In database design, it refers to the uniqueness of data values that can be contained in a particular column or attribute.

Entity

Something that exists independently with a distinctive identity, especially in the context of databases where it refers to an object about which data can be stored.

Cardinality

In database design, it refers to the uniqueness of data values contained in a column; in relationships, it describes the attributes of the relationship between tables.