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प्रश्न
Distinguish between an ore and a metallic compound.
उत्तर
| Ore | Metallic compound | |
| (1) | The naturally occurring minerals from which metals can be extracted profitably and conveniently are called ores. | Metallic compound is a compound that contains one or more metals. |
| (2) | Ores are naturally occurring substances. | Metallic compounds can be naturally occurring or synthesised. |
| (3) | Ores are extracted for the purpose of obtaining metal. | Metallic compounds can serve various purposes, such as being used in industry as raw materials, in medicine, as catalysts, as jewellery and so on. |
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संबंधित प्रश्न
Write any three differences between metals and non-metals with respect to their physical properties.
Choose the most appropriate answer of the following:
This is not an alloy of copper:
(A) Brass
(B) Bronze
(C) Solder
(D) Duralumin.
Why is ammonia gas not collected over water?
Which property of copper and aluminium makes them suitable for making cooking utensils and boilers?
Tick (√) the most appropriate answer.
Sodium amalgam is prepared by dissolving sodium in :
State the composition and two uses of given alloy:
Brass
Name a liquid non-metal.
Explain how the activity series accounts for each of the following:
reaction with water
Gold and silver are used to make jewellery. Give reason
Generally, non-metals are not lustrous. Which of the following non-metal is lustrous?
