Advertisements
Advertisements
प्रश्न
Why are utensils made up of aluminium and brass?
Advertisements
उत्तर
- The cooking utensils are made up of aluminium and brass because they are good conductors of heat.
- Aluminium will form a layer of protective oxide that prevents further reaction. Also aluminium is also relatively cheap and that is why it is used widely in making utensils.
APPEARS IN
संबंधित प्रश्न
Give two examples of Metalloids.
What is meant by 2H and H2
Give reason: A frying pan is made up of steel but its handle is made up of wood.
Fill in the blank
A metal which is a liquid at room temperature is _______.
Indicate whether the following statement is true or false:
Noble gases are high reactive
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
Name the constituents of water.
How are elements classified?
