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प्रश्न
Which of the following metals can displace the other two metals from their salt solutions?
| Zinc | iron | copper |
उत्तर
Zinc is most reactive among three metals and copper is least-reactive metal. Reactivity of iron is in between zinc and copper. So, zinc metal can displace the other two metals from their salt solutions.
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संबंधित प्रश्न
State five uses of metals
What is an alloy? How is an alloy made?
Fill in the blank
_______ is a soft metal.
Match the alloys given in column I to the uses given in column II :
| Column I | Column II |
| (i) Duralumin | A. Electrical fuse |
| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
What is it made from? Why?
A pair of tongs.
With reference to the following metals state their use in daily life metal:
Zinc
Name the following:
A metal used in flexible pipes.
Aluminium: _______: gold : : electric insulator
Which of the following property is generally not shown by metals?
______ is the first scientist who used the term element.
