MCQ Class 8 Science Chapter 4 Combustion and Flame Advertisement MCQ’s For All Chapters – Science Class 8th 1. Heat and light produced in the sun is by:burningcombustionnuclear reactionsnone of theseQuestion 1 of 102. Which of the following gas extinguishes fire:carbon dioxidehydrogenoxygennitrogenQuestion 2 of 103. Combustion that takes place at a very fast rate is called:explosionrapid combustionspontaneous combustionnone of theseQuestion 3 of 104. Which one of the following is combustible?Iron nailStone piecesPaperGlassQuestion 4 of 105. Which one of the following is fuel of our body?PetrolFoodWaterDieselQuestion 5 of 106. The lowest temperature at which a Substance catches fire is called its-Critical temperatureBoiling pointMelting pointIgnition temperatureQuestion 6 of 107. Essential requirements for producing fire are:HeatFuelAirAll of theseQuestion 7 of 108. Rapid combustion isWhen there is evolution of heatWhen gas burns, it produces heat and lightWhen material suddenly burst into flamesNone of theseQuestion 8 of 109. When magnesium ribbon burns it produceMagnesium sulphateMagnesium hydroxideMagnesium oxideMagnesium chlorideQuestion 9 of 1010. Coal burns with ______Flame and only glowOnly glowFlameNone of the optionsQuestion 10 of 10 Loading...
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