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
What are the advantages of chromatography?
Give three differences between metals and non-metals.
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Give the name of the radical - SO4
Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
Higher-Order Thinking questions:
Why is hydrogen considered an element?
