PDF chapter test TRY NOW
Fill in the blanks.
(a). Burning of wood and coal causes of air.
(b). A liquid fuel, used in homes is .
(c). Fuel must be heated to its before it starts burning.
(d). Fire produced by oil cannot be controlled by .
Answer variants:
LPG
pollution
air
acid rain
global warming
water
chemicals
ignition temperature
propane
Register for free to see more content