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प्रश्न
Name the metals present in the following alloys
Bronze
उत्तर
Bronze— Copper and tin
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संबंधित प्रश्न
Some properties are listed in the following Table. Distinguish between metals and non-metals on the basis of these properties
| Properties | Metals | Non-metals |
| 1. Appearance | Lustrous | Dull |
| 2. Hardness | Hard | Soft |
| 3. Malleability | Can be beaten into thin sheets | Cannot be beaten into thin sheets |
| 4. Ductility | Can be drawn into wires | Cannot be drawn into wires |
| 5. Heat Conduction | Good conductors of heat | Poor conductors of heat |
| 6. Conduction of Electricity | Good conductors of electricity | Poor conductors of electricity |
Choose the most appropriate answer of the following:
This is not an alloy of copper:
(A) Brass
(B) Bronze
(C) Solder
(D) Duralumin.
For the electro-refining of copper: Write the reaction that takes place at the anode
Name the metal which is the poorest conductor of heat.
Give the name and formulae of two acidic oxides.
Name two metals which are both malleable and ductile.
State one use of Carbon (as Graphite).
Which of the following non-metal is a liquid?
(a) carbon
(b) sulphur
(c) bromine
(d) iodine
Which of the following alloys contains a non-metal as one of the constituents?
(a) brass
(b) amalgam
(c) steel
(d) bronze
Name a metal that is brittle
Name a metal as precious as gold
Name a non-metal that is used for filling into electric bulbs
Name a non-metal whose compounds help in the growth of plants.
Name a non-metal which shows reducing property.
Give the balanced reactions for the following:
Iron reacts with dilute HCI
Why do gold ornaments look new even after several years of use?
Give the common name and chemical name of an ore of:
(a) zinc (b) aluminium (c) iron.
_______ is basic oxide.
Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?
Non-metals are non-malleable.
