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प्रश्न
State the main components of the following alloy:
Bronze
उत्तर
The main components of bronze are copper, zinc and tin.
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संबंधित प्रश्न
Name an alloy of copper in electrical appliances or household vessels.
Complete the statement using every given option.
During the extraction of aluminium..............
Chemical reaction of transformation of bauxite into alumina by Hall’s process.
Name one metal occurring as a : Sulphide ore
Complete and balance the following equation:
Al + N2 →
Arrange the metals:
calcium, iron, magnesium and sodium in order of their reactivity with water placing the most reactive first.
| X | Y | |
| Normal Electronic Configuration | 2, 8, 7 | 2, 8, 2 |
| Nature of Oxide | Dissolves in water and truns blue litmus red. | Very low solubility in water. Dissolves in hydrochloric acid. |
| Tendency for Oxidising and reducing reactions | Tends to oxidise elements and compound. | Tends to act as a reducing agent. |
| Electrical and Thermal Conductivity | Very poor electrical conductor. Poor thermal conductivity. |
Good electrical conductor. Good thermal conductor. |
| Tendency to form Alloys and Amalgams | No tendency to form alloys. | Forms alloys. |
Using the information above, complete the following:
- _________ is the metallic element.
- Metal atoms tend to have a maximum of ________ electrons in the outermost energy level.
- Non-metallic elements tend to form _________ oxides while metals tend to form _______ oxides.
- Non-metallic elements tend to be ______ conductors of heat and electricity.
- Metals tend to _______ electrons and act as ________ agents in their reactions with elements and compounds.
State the main components of the following alloy:
Brass
State the main components of the following alloy:
Duralumin
The main ore used for the extraction of iron is ______.
In the Wilfley table method, the particles of gangue are separated by __________ separation method.
