Recent questions in Chemistry

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Define carbohydrates.

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Explain the different uses of hydrocarbons in industry.

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Alkynes are more reactive than alkanes

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Acetylene undergoes addition reactions in two stages.

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There are millions of organic compounds.

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Why butane undergoes substitution reactions?

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Ethene is passed through bromine water

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Ethene is burnt in air

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Ethene is treated with chlorine

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Explain the oxidation of acetylene.

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Prepare the following as directed.

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Alkanes are a source of heat. Explain it.

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What types of reactions are given by alkanes? Explain with reference to halogenations of alkanes.

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State one important use of each:

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Why colour of bromine water discharges on addition of ethene in it?

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How can you differentiate between ethane and ethene?

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Why hydrocarbons are soluble in organic solvents?

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Both, alkenes and alkynes are unsaturated hydrocarbons. State the one most significant difference between them.

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Justify that alkanes give substitution reactions.

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What are the addition reactions? Explain with an example.

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