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प्रश्न
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
उत्तर
The electrical conductivity and melting point of an alloy is less than that of pure metals.
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संबंधित प्रश्न
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
What is an alloy? How is an alloy made?
Fill in the blank
_______ is a soft metal.
Why are alkali metals kept in kerosene oil?
Write name.
The device used for grinding an ore.
What is it made from? Why?
A pair of tongs.
Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
The ability of metals to be drawn into thin wire is known as
Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)
