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प्रश्न
_______ is the least reactive metal.
विकल्प
silver
sodium
zinc
gold
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उत्तर
Gold is the least reactive metal.
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संबंधित प्रश्न
In the extraction of aluminium: Name the process of concentration of bauxite.
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Name two metals which are found in nature mainly in the free state (as metallic elements).
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How is aluminium metal extracted? Explain with the help of an equation.
The major ore of aluminium is known as ______.
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- Why is this carbon electrode burnt away?
State the property of the metal being utilized in the following :
| Use of metal | Property |
| Zinc in Galvanization | |
| Aluminium in Thermite welding |
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The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________
Iron is _______.
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Read the following passage and answer the questions.
According to the reactivity series, zinc is more reactive than iron, iron is more reactive than silver. During study of this, a student dipped the iron nails in silver nitrate solution.
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- What will happen when iron nails are dipped in silver nitrate solution?
- Which type of reaction happens when iron metal reacts with silver nitrate solution?
- What will happen if a zinc rod is used instead of iron nail?
Explain in brief types of extraction of less reactive metals according to their reactivity.
Which of the following metals exist in their native state in nature?
(i) Cu
(ii) Au
(iii) Zn
(iv) Ag
