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Is coal-tar a compound? What is importance of coal-tar?

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Name the gases which are found in coal gas.

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What is isomerism?

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Explain Wohler's work.

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What is vital force theory?

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What are the reasons for the formation of millions of organic compounds?

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Why the organic compounds are poor conductor of electricity?

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Why the melting and boiling points of organic compounds are low.

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Point out the properties of carbon which are responsible for formation of long chains of carbon atom compounds.

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Why and how carbon completes its octet?

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Write down different uses of acids and bases.

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How pH of a solution is measured?

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What is an indicator and name commonly used indicators in titration

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Give four uses of calcium oxide.

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How acidic salts can be prepared. Give the Characteristics of an acidic salt.

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Explain with examples how soluble salts are prepared?

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Explain with examples how soluble salts are prepared?

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Define a salt and give the characteristic properties of salts?

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What is auto-ion ization of water? How is it used to establish the pH of water?

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Explain the Lewis concept of acids and bases.

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