The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?

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Solution

Use of CNG to run the vehicle will be preferred.

The calorific value of compressed natural gas is higher than petrol. So, CNG will be the preferred fuel.

It also produces more heat energy than petrol.

It has less environmental pollutants and is also less costly than petrol.

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Q. Question 35
The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?

Q. Question 35
The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?

The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have a vehicle that can run on petrol as well as CNG, which fuel will you prefer keeping in mind that it should not impact the environment in a negative way?

Q. Assertion: CNG is a better fuel than petrol.
Reason: The calorific value of CNG and petrol is 50000kJ/kg and 45000 kJ/kg respectively.

Q. CNG is preferred over petrol as a fuel for transport vehicles. Why?

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Calorific Value and Efficiency of a Fuel

Standard VIII Chemistry

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The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?​

Use of CNG to run the vehicle will be preferred. ​ ​ The calorific value of compressed natural gas is higher than petrol. So, CNG will be the preferred fuel.​ It also produces more heat energy than petrol.​ It has less environmental pollutants and is also less costly than petrol.​

The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?

Use of CNG to run the vehicle will be preferred.

The calorific value of compressed natural gas is higher than petrol. So, CNG will be the preferred fuel.

It also produces more heat energy than petrol.

It has less environmental pollutants and is also less costly than petrol.