Q9 of 25 Page 20

Which of the following statements is not true?

Materials are not grouped for fun. It is an incorrect statement. Materials are grouped for convenience, to study their properties and uses.

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7

Which among the following are commonly used for making a safety pin?

 8

Which of the following materials is not lustrous?

 10

Find the odd out from the following

 11

Which type of the following materials is used for making the front glass (wind screen) of a car?