Advertisements
Advertisements
प्रश्न
Which property of copper and aluminium makes them suitable for making cooking utensils and boilers?
उत्तर
Copper and aluminium are good conductors of heat. This property makes them suitable for making cooking utensils and boilers.
APPEARS IN
संबंधित प्रश्न
Fill in the blanks:
Metals are ________ conductors of heat and _________.
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 |
Name two metals which are used for making jewellery and to decorate sweets.
Metals are said to be shiny. Why do metals generally appear to be dull? How can their brightness be restored?
Write ‘True’ or ‘False’ in front of following statement.
Stainless steel is used for making power transmission wires.
Identify the odd term.
Name the following:
or
With reference to the physical properties of metals and non-metals, state the following exception.
A metal which is liquid at room temperature.
Ankita bought some Glucose Powder. She felt is was adulterated with starch powder. How would she test it?
Give two examples of alloy.