1. The fire has immediately covered adjoining buildings.
2. In the process of burning heat and light are released.
3. Flammable liquids should be stored away from any source of ignition.
4. A flashover takes place when enough air is available.
5. During the starting stage the fire produces water vapor, carbon dioxide and other gases.
6. If any of three factors necessary for combustion is eliminated the combustion will stop.
7. Few substances oxidize strongly even at room temperatures.
8. The speed of burning is the second factor determining the flammability of the material.
9. The temperature of the woodwork in the room was raised to its ignitionpoint.
10. Wood bursts into flames spontaneously at temperatures higher than
520 F.
A) Match the words with similar meanings.
1) to evolve A) material
2) incipient B) speed
3) vigorously C) to remove
4) to happen D) to react with oxygen
5) substance E) starting
6) to eliminate F) strongly
7) combustibility G) to give off
8) fire H) flammability
9) to oxidize I) combustion
10) rate J) to occur
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B) Match the words with opposite meanings.
1) to cool A) weak
2) to cease B) insufficient
3) flammable C) to heat
4) to extinguish D) slow
5) to raise E) to reduce
6) to accelerate F) to begin
7) rapid G) to ignite
8) incipient H) final
9) sufficient I) non-flammable
10) vigorous j) to slow down
7
Match the words to the definitions.
1) fuel A) the burning gas of a fire appearing as a tongue of
light
2) flame B) the physical matter of which a thing consists
3) fire C) a chemical element
4) oxygen D) the grey, white or black gas that is produced when
something is burning
5) fire extinguisher E) a metal container with water or chemical element
inside for putting out small fires
6) chain reaction F) any material that produces heat or power when it is
burnt
7) smoke G) a chemical chain that forms products which
themselves cause more changes and new products
8) substance H) able to begin burning easily
9) stage I) a period or level in a process of development
10) combustible j) the flames, light and heat, often smoke that are
produced when something burns