Combustion & Flame
Combustion & Flame credits:openclipart |
Q1: Which of the following is the chemical process in which a substance reacts with oxygen to give off heat?
(a) Electrolysis
(b) Combustion
(c) Ignition
(d) Friction
Q2: The substance which undergoes combustion is called …
(a) Fuel
(b) Energy
(c) Light
(d) Matter
Q3: Which of the following is not a combustible substance?
(a) Magnesium
(b) Charcoal
(c) Petrol
(d) Glass
Q4: Which of the following has the lowest ignition temperature?