Hich of the following properties of an unknown substance would allow it to be classified as a pure substance? The unknown substance –

is not able to conduct any electric current.

has an overall density greater than that of water.

consists of a solid dissolved in distilled water.

is composed throughout of one and only one element.

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

2turns may