Chemistry
Select the correct answer from the choice in bracket.
The least reactive metal. [magnesium/silver/copper].
The positively charged particle of an atom. [electron/proton/neutron].
The formula of caustic soda. [KOH/Ca(OH)2/NaOH].
The ideal method to separate iodine & KCl. [sublimation/evaporation/distillation].
A homogeneous mixture. [brass / dust in air / chalk & water].
Elements, Compounds & Mixtures
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Answer
The least reactive metal — silver.
The positively charged particle of an atom — proton.
The formula of caustic soda — NaOH.
The ideal method to separate iodine & KCl — sublimation.
A homogeneous mixture — brass.
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