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What are the main differences in the composition of the inhaled and exhaled airs?

asked Oct 16, 2017 in English by sonia (36.5k points)

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Why equilibrium state is attainable from either way?

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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small quantity of nicotine beneficial?

asked Oct 16, 2017 in Biology by shamroz (41.5k points)

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What do you observe about the position of the heart in normal and smoker’s chest cavity?

asked Oct 16, 2017 in English by shamroz (41.5k points)

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An animal is placed in an apparatus where it re-breathes the same air continuously. Its breathing rate increases. Why?

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What are irreversible reactions? Give few characteristics of them.

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Why there is more risk of heart attack among smokers?

asked Oct 16, 2017 in English by shamroz (41.5k points)

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CO is a hidden enemy, explain its action.

asked Sep 23, 2017 in Chemistry by shamroz (41.5k points)

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How can you know that a reaction has achieved an equilibrium state?

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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What is difference between slag and matte?

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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Differentiate between 'p' and pH

asked Sep 16, 2017 in Chemistry by sonia (36.5k points)

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What is the difference between crude oil and residual oil?

asked Sep 26, 2017 in Chemistry by sonia (36.5k points)

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Why the reversible reactions do not go to completion?

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Why hydrocarbons are considered, as parent organic compounds?

asked Sep 20, 2017 in Chemistry by sonia (36.5k points)

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How NaHCO3 is converted to Na2CO3?

asked Sep 26, 2017 in Chemistry by sonia (36.5k points)

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How dynamic equilibrium is established?

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If a reaction has large value of Kc will it go to completion and why?

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Why lime is added in the smelting process?

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Why organic compounds are numerous?

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Explain different radicals of butane.

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