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प्रश्न
Identify who I am!
Amphoteric oxide forming metal- _______
उत्तर
Amphoteric oxide forming metal- Aluminium
APPEARS IN
संबंधित प्रश्न
Write any three differences between metals and non-metals with respect to their physical properties.
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 |
One day Reeta went to a jeweller’s shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight. Can you suggest a reason for the loss in weight?
Name two metals which are used for making electric wires.
Name a non-metal having a very high melting point.
State any five physical properties of metals.
How do non-metals react with oxygen? Explain with an example. Give equation of the reaction involved. What is the nature of the product formed? How will you demonstrate it?
Which of the following alloys contains a non-metal as one of the constituents?
(a) brass
(b) amalgam
(c) steel
(d) bronze
Name a non-metal that a good conductor of heat and electricity
Write ‘True’ or ‘False’ in front of following statement.
Stainless steel is used for making power transmission wires.
Name a metal which is lighter than water :
State two important uses of following non-metals
Uses of nitrogen
Name:
a non-metal which is ductile
Name:
two metals which are soft
Name:
a metal which lacks ductility
Name:
a non metal which is lustrous
Distinguish between a mineral and an ore.
Explain the term Minerals.
Name a metal which does not corrode easily.
The metal other than aluminium, which has a strong affinity for oxygen is ______.
