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CHEMISTRY

Chemistry
"Paramagnetism" is the property of

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

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Chemistry
The structure of NaCl crystal is

Face centered cubic
Body centered cubic
Octahedral
Square planar

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

Thorium
Sodium
Uranium
Potassium

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

Silver nitrate
Ammonium Chloride
Silver Chloride
Ammonium Nitrate

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Chemistry
The heaviest naturally occurring element is:

Polonium
Thorium
Uranium
Mercury

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