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CHEMISTRY

Chemistry
"Paramagnetism" is the property of

Paired electrons
Unpaired electrons
Completely vacant electronic subshells
Completely filled electronics subshells

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Chemistry
The structure of NaCl crystal is

Square planar
Face centered cubic
Body centered cubic
Octahedral

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Chemistry
Which one of the following minerals is found in Monazite sand ?

Uranium
Sodium
Thorium
Potassium

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Chemistry
Which of the following is the main compound of voter ink?

Ammonium Chloride
Silver nitrate
Silver Chloride
Ammonium Nitrate

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Chemistry
The heaviest naturally occurring element is:

Uranium
Polonium
Thorium
Mercury

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