Combustion and Flame - III
| Description: Combustion and flame | |
| Number of Questions: 20 | |
| Created by: Sanjiv Memon | |
| Tags: Combustion and flame Combustion, Types of Combustion Combustion and Flame Fuel, Fuel Efficiency, Harmful Effects on Burning of Fuels Flame, Structure of a Flame Making a Good Physical and Mental Health During Adolescence |
Which of the following is a constituent of the substance applied on the head of the matchstick?
Which of the following is a supporter of combustion?
Which of the following statements is correct about ignition temperature?
Which of the following substances is the first to catch fire in a matchstick?
Which of the following has the lowest ignition temperature?
Which of the following is the best fire extinguisher?
What happens when water is heated in a paper cup?
Which of the following statements is true regarding CO2 acting as fire extinguisher?
Which of the following does not vaporize on burning?
Which of the following statements is true about burning of candle and coal?
Which of the following substances is not produced when coal is burnt in air?
What should be the state of a substance to undergo combustion?
The substances which have very low ignition temperatures are known as
Wood cannot burn by just bringing a matchstick near it, because
Which out of the following is not an essential requirement to produce fire?
What happens to the ignition temperature of fire when fire brigade pours water on it?
Which out of the following chemical substances are the components of a matchstick head?
(I) Antimony trisulphide
(II) Potassium Chlorate
(III) Red Phosphorus
(IV) Powdered glass
In what form carbon dioxide is stored in cylinders?
Which out of the following is not an inflammable substance?
Water will not work as a fire extinguisher in I. in an electrical appliance shop II. in a newspaper factory III. in a furniture house