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How do I tell the difference between copper and zinc?
Zinc is a white or silvery metal, while copper is red. If you're trying to separate pure copper coins and zinc-plated copper coins, weigh them on a gram scale. You...
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Is there a difference in weight between real and fake fur?
Yes, usually there is. Real fur is typically heavier than man-made material.
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What’s the difference between a first edition and a first printing?
A first printing is the first set of a particular version or edition of a book, while the “edition” refers to the content and format of the book itself. A...
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How can I tell the difference between a collector and an emitter?
A collector accepts input current from the circuit. An emitter send current out into the circuit.
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Is there any difference between the resistance value of base emitter and base collector?
Yes - voltage drop is a little higher for the base to emitter than for the base to collector.
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What is the difference between indicator and litmus paper?
Both litmus and indicator paper use different color-coded systems to measure pH. Litmus paper measures pH by turning pink or blue, while indicator strips follow a special color-coded chart that's...
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How do I tell the difference between dyshidrotic eczema and another kind of eczema?
Dyshidrotic eczema is characterized by the appearance of tiny blisters on the palms, fingers and soles of the feet. Traditional eczema can be seen on other areas of the body.
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What's the difference between equity and liability?
Equity is what is left over after subtracting all assets, and liability is how much is owed to other parties.
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What color will methyl orange be when it comes into contact with an acid or base?
Methyl orange will turn red below a pH of 3.1, orange between 3.1 and 4.4, and yellow above 4.4.
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What happens when you add phosphoric acid to citric acid?
Phosphoric acid (H3PO4) is also a weak organic acid like citric acid. Combining the two yields cyclohexane, water, and dihydrogen phosphate (the conjugate base of phosphoric acid). At some concentrations,...
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