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प्रश्न
A metal with melting point less than 50°C is
विकल्प
Gallium
Iron
Gold
Aluminium
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उत्तर
Gallium
APPEARS IN
संबंधित प्रश्न
State one use of the following metal:
Iron
State one use of the following metal:
Mercury
Give the composition of an alloy called solder. State its one property and one use.
A metal which is neither ductile nor malleable is
Aluminium is not used to make :
Name a metal which is not malleable :
Name a metal which is best conductor of electricity :
State two important uses of following metal.
Uses of copper
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?
Pots and pans
With reference to the following metals state their use in daily life metal:
Lead
The minerals from which the metal can be separated economically are called _______.
Soft metal : Na : : hard metal : _______
Complete the following flowchart.
Compare the properties of metals and nonmetals. Give three examples for each.
Metals are usually solids or gases at room temperature.
All gases are ______.
Sodium is a hard metal.
Which metals are not solid at room temperature?
Compare the conductivity of metals and non–metals.
