The Blue Color in a Well-Known Test for the Presence

question 19

Multiple Choice

The blue color in a well-known test for the presence of starches is due to

• A) the formation of crosslinks between molecules of starch, caused by the addition of Cu²⁺
• B) the reaction of the silver-ammonia complex ion with the hydroxyl groups of the starch
• C) the formation of a complex between iodine and amylose
• D) none of these

Understand the basic principles of RLC parallel circuits.

Calculate true power in RLC parallel circuits.

Determine circuit impedance in RLC configurations.

Understand the relationship between capacitance and circuit behavior.

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