Analise o gráfico de mudança de estado físico a seguir:

A scientist received an unknown substance, in the solid state, to be analyzed. The graph below represents the heating process of a sample of this substance. Analyzing the graph, we can conclude that the sample presents: a) a boiling duration of 10 min b) a melting duration of 40 min c) a melting point of 40ºC d) a melting point of 70ºC e) a boiling point of 50ºC 🛑Become a member of the Estuda Mais channel and receive various channel benefits:    / @estudamais   📌 Estuda Mais Courses 👇👇👇 ENEM Chemistry Intensive Course: https://www.hotmart.com/product/exten... ENEM Chemistry: https://www.hotmart.com/product/a-qui... Chemistry Course for EsPCEx: Chemistry Course for Apprentice Seaman (EAM): https://www.hotmart.com/product/curso... Chemistry Course for Naval College: https://www.hotmart.com/product/curso... Basic Mathematics for Competitive Exams: https://go.hotmart.com/B11828092S 📌Visit the Estuda Mais website: https://cursosestudamais.wordpress.com/ 📌Contact us for private lessons and problem-solving. Send a message on our WhatsApp and we will provide a quote for your private lesson with Professor Gabriel Zayed or for solving your problems. Questions: WhatsApp: (67)99136-4416 🛑PLAYLIST CHEMISTRY EXERCISES 👇👇👇    • (UERJ) Substâncias simples e compostas   Please do not use Adblock on Estuda Mais videos, as this hinders the channel's growth. Did you like this lesson? Give this video a Like and share it on your social networks; this will help the channel grow. ESTUDA MAIS SOCIAL MEDIA AND OTHER MEDIA 📌Like our Facebook page:   / estudamaiss   📌Follow Estuda Mais on Passei Direto and receive exclusive content: https://www.passeidireto.com/perfil/e... 📌Follow Estuda Mais on Instagram: @estudamais_youtube   / estudamais_youtube   📌Subscribe to our YouTube channel:    / estudamais   📌Visit our Blog: http://estuda-maiss.blogspot.com.br/ 📌Follow Estuda Mais on Twitter:   / estudamaiss   Activate the bell and receive all Estuda Mais video notifications #Chemistry #PhysicalStates #Matter #StudyMore #Education #Exercise #HowTo #ENEM #UniversityEntranceExam #PublicServiceExam #YouTubeEducation