Choose the correct statement about inflammable substances from the following.They have(a) low ignition temperature and cannot catch fire easily(b) high ignition temperature and can catch fire easily(c) low ignition temperature and can catch fire easily(d) high ignition temperature and cannot catch fire easily
Correct Answer: (c) low ignition temperature and can catch fire easily
Explanation: Inflammable substances have low ignition temperature and can catch fire easily.
Related Articles A good fuel is one which possesses:(a) high calorific value and low ignition temperature. (b) high calorific value and high ignition temperature. (c) high calorific value and moderate ignition temperature. (d) low calorific value and moderate ignition temperature.
Name two substances having low ignition temperature and two having high ignition temperatures.
A good fuel should possess(a) high ignition temperature(b) moderate ignition temperature(c) high calorific value(d) both high calorific value and moderate ignition temperature
Fill in the blanks.(a) A ……….. process in which a substance reacts with ……….. to give off heat is called combustion.(b) When the clothes of a person catch ………… the person is covered with a …………… to extinguish fire.(c) The ………….. temperature at which a substance catches fire is called its ………….. temperature.(d) The substances which gave very ………….. ignition temperature and can easily catch fire with a flame are called …………. substances.(e) The substances which vaporise during …………….. give flame.
Fill in the blanks using the words given in the box. ignition, petrol, combustion, calorific value, combustible, inflammable(a) A chemical process in which a substance reacts with oxygen to give off heat is called ………………(b) Wood, paper, CNG are ……………substances.(c) The lowest temperature at which a substance catches fire is called its …………… temperature.(d) Ignition temperature of……………… is lower than that of wood.(e) The substances which have very low……………… temperature and can easily catch fire with a flame are called…………….. substances.(f) The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its …………….
Can solid oxygen catch fire?
Define ignition temperature of a fuel.
Define ignition temperature of a substance.
It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.
What is ignition temperature, combustion , fuel ?
Which of the following represent the suitable conditions for the liquefaction of gases?(a) low temperature, low pressure (b) high temperature, low pressure(c) low temperature, high pressure (d) high temperature, high pressure
Why Synthetic fibre catches fire easily?
Why do different substances catch fire at different temperatures?
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions(a) Low temperature, low pressure(b) High temperature, low pressure(c) Low temperature, high pressure(d) High temperature, high pressure
Why does yellow phosphorus catch fire on its own?
Kickstart Your Career
Get certified by completing the course
Get Started