Isomers are the organic compounds having same molecular formula, but different arrangements of carbon atoms or simply different structures. For example, butane can exist in two isomeric forms such as n-butane and iso-butane.

EASY

Earn 100

Name the energy that needs to be conserved. (Renewable / Non-renewable)

50% studentsanswered this correctly

Important Questions on Coal and Petroleum

EASY

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What will be the marking on a cooking gas cylinder that has a maturity period upto March

2020

MEDIUM

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A body of mass

10 kg

is kept at a height of

5 m

. It is allowed to fall and reach the ground. What is the total mechanical energy possessed by the body at the height of

2 m

assuming it is a frictionless medium? (use

g = 10 m s^{- 2}

)

EASY

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Write any two precautions to be taken to avoid accidents due to LPG leakage.

EASY

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Which fossil fuel produces ammonia when distilled in the absence of air?

EASY

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What are isomers?

EASY

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Write one example each for fossil fuels in a solid and liquid state.

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Write any two products that are obtained when coal is distilled in the absence of air.

EASY

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Write down the process of evolution of fossil fuels on Earth.

EASY

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What is the main component of L.P.G.?

EASY

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Which of the following is the main component of petroleum gas?

MEDIUM

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A body of mass

10 kg

is kept at a height of

5 m

. It is allowed to fall and reach the ground. What is the kinetic energy possessed by the body just before hitting the ground? Take

g = 10 m s^{- 2}

EASY

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Find the odd one out.

MEDIUM

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Which of the following is not an example of heterogeneous catalysis reaction?

EASY

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A non-renewable resource is a natural resource. It can be replaced by natural process at a rate equal to or faster than its rate of consumption by humans.

Read this statement and say whether it is correct or incorrect. If it is incorrect, give the correct statement.

EASY

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Which of these is not a natural resource?

HARD

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What are natural resources? Why should we conserve them?

MEDIUM

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Water, minerals, coal and petroleum are

EASY

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