Which of the Following Statements Is INCORRECT

question 27

Multiple Choice

Which of the following statements is INCORRECT?

• A) Phosphoric acid gives a tart taste to carbonated beverages such as colas.
• B) Sodium phosphate,Na₃PO₄,is a relatively strong base used in paint strippers.
• C) Ca(H₂PO₄)₂⋅H₂O is used as an acid leavening agent in baking powder.
• D) Ca₃(PO₄)₂ is a dark green compound used in latex paints.
• E) Calcium monohydrogen phosphate is an abrasive and polishing agent in toothpaste.

---

Definitions:

Sequencer Chart

A graphical representation of steps or operations in sequential control processes, often used in programming automation processes.

I/O Devices

Devices connected to a control system, capable of providing input to or receiving output from the system.

Last-In, First-Out

A method of data storage or retrieval where the most recently stored information is the first to be retrieved.

FFL and FFU Instructions

FFL (FIFO Load) and FFU (FIFO Unload) are instructions used in programming PLCs for managing data in a First-In-First-Out (FIFO) manner.