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Question

Which of the following are the correct precautions while bending a glass tube?

A
Select the tube of sufficient length to keep your hands safe from heat.
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B
While heating, the glass tube should be rotated in order to ensure uniform heating.
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C
Never bend the glass tubing by force. Doing so can break the tubing.
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D
All of these
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Solution

The correct option is D All of these

We have to take following precautions while cutting a glass tube:

  • Make a single deep scratch at the desired length with one stroke of file.
  • To avoid injury, hold the glass tube with the help of a thick piece of cloth or wear protective gloves.
  • Heat the end using a Bunsen Burner. Do not heat the end for long time. It may seal the end or make it narrow.
  • Select the tube of sufficient length to keep your hands safe from heat.
  • While heating, the glass tube should be rotated in order to ensure uniform heating.
  • Never bend the glass tubing by force. Doing so can break the tubing.


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