Advertisements
Advertisements
प्रश्न
Why are utensils made up of aluminium and brass?
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
Correct the following statement:
CO and Co both represents cobalt.
Name: the Hardest Naturally Occurring Substance
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Write the names of elements from the following symbol:
Ti
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Give three differences between elements & compounds with relevant examples.
Elements are the______ form of pure substances.
