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Anachem > Quiz Bee > Flashcards

Quiz Bee Flashcards

1
Q

An intergovernmental body responsible for coordinating the global use of the radio spectrum.

A

ITU

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2
Q

What is one of the primary goals of quality assessment?
A. To create new system designs
B. To determine when a system has reached a state of statistical control
C. To eliminate all variability in a process
D. To increase production speed

A

B. To determine when a system has reached a state of statistical control.

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3
Q

What does an increase in current indicate in an electrical circuit or electrochemical cell?
A. More energy is stored
B. More resistance is present
C. The potential difference has decreased
D. A greater amount of electricity is flowing

A

D. A greater amount of electricity is flowing.

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4
Q

What is the relative precision range for manual titrations?

A

0.1% - 0.2%

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5
Q

Term used for chemicals assisting in biochemical reactions.

A

Co-Factor

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6
Q

Filters made from cellulose nitrate and PTFE are called what?

A

Membrane Filters

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7
Q

A form of volatilization gravimetry where the sample’s mass is continuously monitored while the temperature increases.

A

Thermogravimetry

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8
Q

Name a strong acid used in acid-base titrations.

A

Hydrochloric Acid

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9
Q

Analyte in titration with unknown concentration is called what?

A

Titrate

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10
Q

A chemical used in the 20th century for hypertension treatment, but is toxic and an environmental hazard.

A

Thiocyanate

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11
Q

When standardizing a method, what is the key objective?
A. To create variability in results
B. To ensure consistency and reliability
C. To minimize documentation
D. To avoid reproducibility

A

B. To ensure consistency and reliability.

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12
Q

Symptom related to painful or itchy sensation due to EMF exposure.

A

Dysesthesia

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13
Q

Determination of water amount in a sample using a pre-weighed absorbent trap is called?

A

Direct Analysis

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14
Q

Non-optically active member of a set of stereoisomers.

A

Meso samples

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15
Q

The use of machines or technology to perform tasks without much human intervention.

A

Automation

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16
Q

An electrochemical process to prepare solid deposits on conductive material surfaces.

A

Electrodeposition

17
Q

A review process to determine if educational programs meet defined standards of quality.

A

Accreditation

18
Q

Formal recognition of expertise and skills validated through assessments.

A

Certification

19
Q

The stage where the solution’s color changes completely due to an indicator’s effect.

A

Endpoint

20
Q

The method where potential between two electrodes is measured with minimal electric current flow.

A

Potentiometry

21
Q

The method where potential between two electrodes is measured with minimal electric current flow.

A

Potentiometry

22
Q

An electrochemical cell converting chemical energy into electrical energy.

A

Galvanic

23
Q

Maintains electrical neutrality and ion flow between cells.

A

Salt Bridge

24
Q

Maintains electrical neutrality and ion flow between cells.

A

Salt Bridge

25
Q

A form of minute, separate particles.

A

Particulate

26
Q

The federal agency tasked with protecting and promoting public health.

A

FDA

27
Q

How many mL of 0.250 M NaOH are required to neutralize 30.0 mL of 0.150 M acetic acid?

A

18 mL NaOH

28
Q

Indicator with a colorless to pink change used in strong acid titrations.

A

Phenolphthalein

29
Q

An electronic device that measures and controls the potential difference between two electrodes.

A

Potentiostat

30
Q

A chemist recovers 4.50 g of AgCl out of a theoretical yield of 5.00 g. What is the percent yield?

A

90%

31
Q

A long, graduated glass tube used in chemistry.

A

Burette

32
Q

Which of the ffg. is true?
A. Bulk Methods are intramolecular analysis
B. Interfacial methods use large sample quantities
C. Property of Solutions are example of interfavial

A

A.

Anachem (5 decks)

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