Which
physical characteristic of a solution may indicate the presence of a transition
element?
A.
Its density
B.
Its color
C.
Its effect on litmus
D.
Its effect on phenolphthalein
Which element has a crystalline lattice composed of positive ions through which
electrons flow freely?
A.
Bromine
B.
Calcium
C.
Carbon
D.
Sulfur
Red litmus paper will turn blue when placed in an aqueous solution of
A.
KCl
B.
KOH
C.
CH
D. CH3COOH
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