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प्रश्न
Why are bells made of metals?
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उत्तर
On being hit, metals produce a typical sound. They are said to be sonorous. This property is being made used in making bells.
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संबंधित प्रश्न
Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.
Which of the following alloys contains mercury as one of the constituents?
Mention two uses of the following metals and non-metals
Gold
Fill in the blank
_______ is a soft metal.
A metal which is neither ductile nor malleable is
What is it made from? Why?
Electric cables
Complete the following flowchart.
Which of the following metals can displace the other two metals from their salt solutions?
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
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| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
