Question 5 (0.04 points) Read the procedure page for melting point experiment. Which of the following
statement is true?
A) The sample in the test tube should be mixed with water, since you are testing
its solubility
B) The sample in the test tube can be either dry or wet.
C) The sample in the test tube should be dry, since you are testing its melting
point.

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

i think that the answer is c

може ли да зареждате повече информация, моля