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प्रश्न
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.
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उत्तर
- This statement is True.
- This statement is False.
Correct statement - Metals are good conductors of heat and electricity. - This statement is True.
Correct statement - Because metals are sonorous. - This statement is False.
Correct statement - Oxides of non-metals are acidic in nature and oxides of metals are basic in nature. - This statement is False.
Correct statement - A more reactive metal displaces a less reactive metal from its salt solution in water.
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संबंधित प्रश्न
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Name two objects which are made from opaque materials.
Short Answer Type Question:
What are the similarities between iron, copper, and aluminium?
Match the objects that are made of the same material.
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Oil mixes with water.
Choose the odd one:
Which among the following is an example of dull material?
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- Magnet
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Help Boojho in finding out the material(s) which is/are opaque.
lt was Paheli’s birthday. Her grandmother gave her two gifts made of metals, one old dull silver spoon and a pair of lustrous gold earrings. She was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference?
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