Which of the following is an acid-base neutralization reaction? A) C3H8 + 5 O2 --> 3 CO2 + 4H20
B) 2 MgO + O2 --> 2 Mgo
C) Pb(NO3)2 + 2KI --> 2 KNO3 + Pblz
D) H2SO4 + 2 KOH --> K2SO4 + 2 H2O

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?