Teaching CTET (Paper 1 & Paper 2) Mock Test Series 2025 General Science Chemistry Chemistry in Everyday Life
Coal gas, a byproduct of the industrial processing of coal, has transitioned from its historical use for ___________ to its modern application primarily as a ___________ in various industries due to its ___________ properties.
1
street lighting, source of heat, combustible
2
household cooking, solvent, non-toxic
3
street lighting, electrical insulator, stable
4
decorative lighting, cleaning solvent, volatile