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प्रश्न
Soft metal : Na : : hard metal : _______
उत्तर
Soft metal : Na : : hard metal : Tungsten
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संबंधित प्रश्न
Mention two uses of the following metals and non-metals
Oxygen
A metal with melting point less than 50°C is
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
State two important uses of following metal
Uses of magnesium
Why are alkali metals kept in kerosene oil?
Write name.
Alloy of sodium with mercury.
Write name.
The device used for grinding an ore.
What is it made from? Why?
Electric cables
What is it made from? Why?
Ornaments
With reference to the following metals state their use in daily life metal:
Magnesium
State a specific reason for using copper in electrical cables
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
The metal which is liquid at room temperature is ______.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
______ is the first scientist who used the term element.
The metal can be cut with a knife ______.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
