Welcome to the Science Quiz 105

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120

Which of the following is the lightest element

Gold

Mercury

both (a) & (b)

Platinum

Correct! Wrong!

Aluminium metal is extracted mainly from its ore:

Magnetite

Dolomite

both (a) & (b)

Bauxite

Correct! Wrong!

Which of the following is utilized in the form of electrolyte of the dry cell (battery)?

Ammonium chloride and zinc chloride

Magnesium chloride and zinc chloride

Both A and B

none

Correct! Wrong!

The element radium was extracted from:

Pinch blend

Haematite

Retile

Lime stone

Correct! Wrong!

The main ore of the mercury is:

Pyrolusite

Bauxite

Cinnabar

Pyrite

Correct! Wrong!

The concentration process of sulphide ores is::

Gravity separation process

Forth floatation process

Magnetic separation process

none

Correct! Wrong!

The process employed to remove the magnetic impurities from the Ores is called:

Gravity separation process

Forth floatation process

both (a) & (b)

Magnetic separation process

Correct! Wrong!

Which of the following is the most fundamental property of the element?

Atomic density

Molecular weight

Atomic number

none

Correct! Wrong!

Science Quiz 105

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Welcome to the Science Quiz 105

Which of the following is the lightest element

Aluminium metal is extracted mainly from its ore:

Which of the following is utilized in the form of electrolyte of the dry cell (battery)?

The element radium was extracted from:

The main ore of the mercury is:

The concentration process of sulphide ores is::

The process employed to remove the magnetic impurities from the Ores is called:

Which of the following is the most fundamental property of the element?

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