Froggy Jumps Combustion Quiz ChallengeVersión en línea Test your knowledge on combustion conditions and substances! por Gulnar Tas 1 What are the main products of a complete combustion reaction? a Carbon monoxide and ash b Oxygen and nitrogen c Carbon dioxide and water 2 Which of the following is a flammable substance? a Concrete b Gasoline c Sand 3 What is a characteristic of combustible substances? a They never burn b They explode instantly c They can ignite and burn at high temperatures. 4 Which of these is considered a noncombustible substance? a Asbestos b Paper c Wood 5 What is necessary for combustion to occur? a Water, fuel, and pressure b Fuel, heat, and oxygen c Oxygen, carbon, and heat 6 Which of these is basic oxide? a Carbon monoxide b Sodium oxide c Boron oxide 7 Which of these oxides is acidic? a Carbon dioxide b Magnesium oxide c Copper oxide 8 Which of the following is a characteristic of noncombustible materials? a They burn slowly b They explode easily c They do not ignite or burn. 9 What role does oxygen play in combustion? a It cools the reaction b It prevents burning c It supports the chemical reaction.
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