Sulphide ores are concentrated using ______ method.

Identify the diagram:

Select all that apply for the definition of gangue:

Ores contain many types of impurities such as _____, _____ and ________ along with the metal compounds. These impurities are called gangue.

Select the correct order of metals as per their reactivity:

Select all that apply:

____________ oil can be used in froth floatation.

Which is a metal?

Which is an nonmetal?

Metalloids have properties of---------------

Which is a good conductor of electricity?

Which Metal prevents the rusting of iron?

Mercury,silver,gold are very reactive metals

According to the reactivity of metals----------------------------

Two highly reactive metals are

Which two nonmetals are lustrous

Which nonmetal is in liquid state at room temperature

6.The chief ore of copper is.............

Haematite is the chief ore of aluminum

What is metallurgy used for ?

What is meant by ore