Advertisements
Advertisements
प्रश्न
Name the process of concentration
(a) Based on densities
(b) Based on magnetic nature.
उत्तर
The process of concentration :
a. Based on densities is Gravity separation.
b. Based on magnetic nature is Electromagnetic separation.
APPEARS IN
संबंधित प्रश्न
Choose the correct answer from the options given below:
Aluminum powder is used in thermite welding because
A. It is a strong reducing agent
B. It is a strong oxidizing agent
C. It is corrosion resistant
D. It is a good conductor of heat
How is the main ore of aluminium concentrated?
What is an alloy? Give three reasons why alloys are made.
Give two properties of alloys which are different from constituent metals.
Give composition and uses of the following alloys. Mention the reason for its use.
Magnalium
Complete and balance the following equation:
Al + N2 →
Complete and balance the following equation:
Al + KOH + H2O →
Write the equation for the reaction of zinc with following: Dilute sulphuric acid
Write the chemical formulae of the main ore of aluminium.
choose the most appropriate term to match the given description.
Crushing of the ore into a fine powder
