Mention two factors that affect the melting point of a substance. – NABTEB QUESTION by Sunday | Oct 8 | NABTEB QUESTIONS | 0 comments The two factors are: i. Prevailing pressure ii. Purity of the substance Users Also Read These:Mention two (2) methods of bridging an opening -…The presence of an impurity in substance will cause…Mention and explain three factors that can lead to…The half life of a radioactive substance is 14 days.…Define and give an example each of the following: i.…