Q. 575.0( 3 Votes )
What is combustion? Give the conditions necessary for combustion.
Conditions required for combustion are:
(i) presence of a combustible substance.
(ii) presence of a supporter of combustion (oxygen).
(iii) heating the combustible substance to its ignition temperature.
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i. In a household electric circuit different appliances are connected in parallel to one another. Give two reasons.
ii. An electrician puts a fuse of rating 5A in that part of domestic electrical circuit in which an electrical heater of rating 1.5 kW, 220 V is operating. What is likely to happen in this case and why? What change, if any, needs to be made?Xam idea - Science