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प्रश्न
Chalk dissolves in water.
विकल्प
True
False
MCQ
सत्य या असत्य
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उत्तर
This statement is False.
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अध्याय 2: Sorting Materials into Groups - Exercises [पृष्ठ १८]
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संबंधित प्रश्न
Very Short Answer Type Question:
Which material is generally used for making pens? Wood, aluminum, plastic, cotton
Short Answer Type Question:
What is the basis for sorting materials?
Materials which can be compressed or cut easily are called _______.
Write whether the given materials are hard or soft.
| Wood | Eraser | Cotton |
| ______ | ______ | ______ |
Choose the odd one:
Name some examples for shiny materials?
Differentiate hard and soft materials.
Some of the following statements are incorrect. Find the incorrect statements and correct them.
- The property of metals by virtue of which they can be drawn into wires is called ductility.
- Metals are good conductors of electricity but poor conductor of heat.
- Articles made up of metals produce ringing sound when struck hard.
- Oxides of non-metals and metals are acidic in nature.
- A less reactive metal displaces a more reactive metal from its salt solution in water.
Which of the following materials is not lustrous?
Differentiate among opaque, translucent and transparent materials, giving one example of each.
