Combustion And ...

Which of the following options is a supporter of combustion?

Which of the following options is a constituent of the substance applied on the head of the matchstick?

Which of the following substances is the first to catch fire in a matchstick?

Which of the following has the lowest ignition temperature?

What happens when water is heated in a paper cup?

Which of the following options is the best fire extinguisher?

Which of the following statements is true regarding CO₂ acting as fire extinguisher?

Which of the following substances does not vapourise 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 in order to undergo combustion?

What happens to the ignition temperature of the burning object when the fire brigade pours water on it?

Wood cannot burn by just bringing a matchstick near it, because

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

Which out of the following options is not an inflammable substance?

Which out of the following options is not an essential condition for combustion?

Water will not work as a fire extinguisher in
I. in an electrical appliances shop
II. in a newspaper factory
III. in a furniture house

In what form carbon dioxide is stored in cylinders?

What does the blue colour of the flame indicate?

Which of the following substances has the maximum calorific value?