Question

hydrogen is combustible oxygen helps in combustion but water helps to extinguish fire

Answer 1

A compound is formed by combination of two or more elements. The compound so formed differs in the properties of its constitute elements. Thus the compound water differs in the properties of its constituent elements hydrogen and oxygen(combustion properties)

hope that help u....

Answer 2

Answer:

α.ωατєr is мα∂є υρ σƒ τωσ єℓємєทτs, τнατ's нy∂rσgєท αท∂ σxygєท. нy∂rσgєท is ƒℓαммαвℓє, вυτ σxygєท is ทστ. ƒℓαммαвiℓiτy is τнє αвiℓiτy σƒ α cσмвυsτiвℓє мατєriαℓ ωiτн αท α∂єqυατє sυρρℓy σƒ σxygєท (σr αทστнєr σxi∂isєr) τσ sυsταiท єทσυgн нєατ єทєrgy τσ кєєρ α ƒirє gσiทg αƒτєr iτ нαs вєєท igทiτє∂. τнσυgн ωατєr is мα∂є υρ σƒ τωσ ατσмs σƒ нy∂rσgєท αท∂ σทє ατσм σƒ σxygєท вy ƒσrмiทg αท iσทic cσмρσυท∂, iτ ∂σєs ทστ ρσssєss τнє cнαrαcτєrisτics σƒ τнєм вєcαυsє α cσмρσυท∂ ∂σєs ทστ нαvє τнє ρrσρєrτiєs σƒ iτs cσทsτiτυєทτ єℓємєทτs. τнєrєƒσrє, ωατєr нαs iτs σωท ρrσρєrτiєs, ωнicн нєℓρs τσ єxτiทgυisн ƒirє.