Which of the following does paper burn in?(写出方程式)A.CO2 B.N2 C.O2 D.H2O

问题描述:

Which of the following does paper burn in?(写出方程式)
A.CO2 B.N2 C.O2 D.H2O

c

选C 这句话的意思是纸在下面哪一种物质中燃烧?应该是在氧气中能燃烧,所以选C
燃烧方程式为:C+O2=CO2

B O2
C + O2 = CO2
2C +O2 = 2CO