When determining the melting point of the alum, it is necessary to keep the thermometer next to the capillary tube to ensure that the temperature reading is accurate. True or false?

The most plausible answer is b, duration. the given amount of time is considered how long it last for.

Ithink it’s one of those things that you put the object on

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.