Identify Each of the Following Transformations as a Chemical or Physical

question 81

Multiple Choice

Identify each of the following transformations as a chemical or physical change
-silver tarnishing

• A)physical
• B)chemical

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Definitions:

Interference

Confusion of desired signals caused by undesired signals, as in artifacts on an ECG.

Reliable

Consistently good in quality or performance, able to be trusted or depended upon.

Standardization

Process of bringing into conformity with a standard; pertaining to ECG, a mark made at the beginning of each lead to establish a standard of reference.

Segment

The portion of ECG between two waves.