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प्रश्न
Which of the following statements is not true?
विकल्प
Materials are grouped for convenience.
Materials are grouped to study their properties.
Materials are grouped for fun.
Materials are grouped according to their uses.
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उत्तर
Materials are grouped for fun.
Explanation:
Materials are not grouped for fun. They are grouped for convenience, to study their properties and according to their uses in systematic manner.
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संबंधित प्रश्न
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Very Short Answer Type Question:
Name two objects which are made from opaque materials.
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brick, coir, silk cloth, pine apple
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Vinegar dissolves in water.
Choose the odd one:
Rubber band is an example of ______.
Which of the following materials is not lustrous?
Match the objects given in Column I with the materials given in Column II.
| COLUMN I | COLUMN II | ||
| (a) | Surgical instruments | (i) | Plastic |
| (b) | Newspaper | (ii) | Animal product |
| (c) | Electrical switches | (iii) | Steel |
| (d) | Wool | (iv) | Plant product |
Differentiate among opaque, translucent and transparent materials, giving one example of each.
