You rub substance C against substance D and test their charges. \"Both\" of them

Question

You rub substance C against substance D and test their charges. "Both" of them appear to have a negative charge What is the most likely explanation? A. The rubbing created negative charges which transferred to both substances. B. The rubbing pushed the positive charges further into the substances leaving a negative charge on top. C. One of the substances started with a negative charge but became less negative as it transferred some of its charge to the other substance. D. Any of the above could be true. Suppose you have about a mole of plastic type stuff... approximately how many electrons would it have? A. Thousands B. Billions C. Millions of billions D. Millions of a billion billions A substance can be charged positively when rubbed against one substance but then charged negatively when rubbed against another substance. True False Under normal circumstances, charging two plates by rubbing them against each other likely displaces what fraction of charge? A. 1 charge per tens B. 1 charge per thousands C. 1 charge per millions D. 1 charge per trillions If when substance A rubs against substance B it gains a positive charge then substance B must have gained a negative charge True False

Explanation / Answer

Question 1

Answer

Explanation is

One of the substance staretd with negative charge and became less negative after rubbing(touching) with other

option (C) is correct

Question 2

1 mole contain 6*10^23 atom so option (D) is corect

Question 3

True

when rubbed with positive chage it will be positive and when rubbed with more negative charge ,it will be negative

Question 4

option D is correct

Question 5

false

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