Engineering High School

When a wool cloth is rubbed on the surface of a balloon, it tends to give away electrons causing the surface of the balloon to become _________?

a. positively charged
b. negatively charged
c. neutral charged

Answers

Answer 1

Answer:

Negetively charged.

Explanation:

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Related Questions

The weights of paper used for coated abrasive backings are designated by letters A, C, D and ____________.

Answers

Answer:

The weights of paper used for coated abrasive backings are designated by the letters A, C, D and E

Explanation:

The letter designation of the weights of paper backings for different applications are;

'A' Weight - Paper meant for use in finishes in abrasive projects. The paper is light (weight) touch grade of abrasive paper

'C' Weight - The 'C' designated paper is the medium light grade which offers more strength and bendability and it is suitable for woodwork by a cabinet maker

'D' Weight -  The 'D' weight category is a medium heavy paper

'E' Weight - The 'E' weight category is a strong paper category, used for discs, coarse sheets, and belts

Therefore, the letters A, C, D and E are used to designate the weights of paper used for coated abrasive backings.

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