Advertisements
Advertisements
प्रश्न
Define the term ore.
उत्तर
Ore: Ore is a type of mineral from which metal can be extracted profitably and conveniently.
APPEARS IN
संबंधित प्रश्न
Give two uses of bronze.
Give the name and chemical formula of one ore of copper.
How is aluminium metal extracted? Explain with the help of an equation.
Name one ore of mercury. Which mercury compound is present in this ore? Write its chemical formula.
Which of the following is an iron ore?
(a) cinnabar
(b) calamine
(c) haematite
(d) rock salt
Which metal can be extracted from the following ore?
Haematite
What is galvanized iron.
Name:
The allotrope of the non-metal carbon which conducts electricity.
Name the following:
The process of heating an ore to a high temperature in the presence of air.
Explain in brief types of extraction of moderately reactive metals according to their reactivity.