1) What ancient discovery provided heat, enabled cooking, and fueled advancements in transportation and metalworking, shaping our lives even today? 2) What is the scientific term for the process that involves a rapid reaction between a substance and an oxidant, producing heat and light, and is essential for understanding and managing fire? 3) This is the first stage where fuel and oxygen are exposed to heat, resulting in a sustained chemical reaction. 4) Give me three to prevent fire at Bedtime routine. 5) Who invented fire? 6) What fundamental chemical process involves the loss of electrons by atoms, molecules, or ions, often associated with the reaction of oxygen with other substances, and plays a crucial role in many chemical reactions, including combustion? 7) The initial flame becomes another source of cheat and additional fuel ignites. 8) +1 point 9) When the fire consumes all available fuel, the temperature decreases. Since the heat as an element of fire ceases, the fire gets less intense. 10) +1 point 11) what are class of fire is, fires involving flammable liquids and chemicals such as LPG 12) Give me one to prevent a fire at home. 13) Give me one to prevent a fire at kitchen. 14) -1 point 15) what are class of fire is, fires involving ordinary, combustible materials such as wood, paper, plastic, and fire crackers 16) -1 point

Activity

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？