Question # 1

Chloroform is used for

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Anesthesia

Fever

Link

Toys

Vital force theory was rejected by.

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Jabir Bin Hayan

Drawin

Wohler

Berzellius

Acetic acid is a weak acid because it.

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Is used in cooking and flavouring food.

Has very low pH

Is not fully ionized

Does not contain any hydrogen ions.

Industrial effluents are highly

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Toxic organic compounds.

Inorganic salts.

Heavy metals

All of them

Which is a Lewis base?

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H⁺

NH₄

BF₃

AlCl₃

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

In the beginning the rate of reverse reaction is

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Negligible

Moderate

Very fast

Slow

Concentration is process of:

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Mixting technique

Separating technique

Boiling technique

Cooling techique

Which types of reaction speed up gradually?

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Irreversible reactions

Reversibel reactions

Forward reactions

Decomposition reactions.

Crude oil is heated to the fractionating furnace upto.

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300 ^oC

350^oC

400^oC

450^oC

Salt makes the water permanently hard.

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CaSO₄

Ca(HCO₃)₂

NaHCO₃

NaCO₃

Which diseases cause by the deficiency of vitamin E?

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Rickets

Anemia in babies

Scurvy

Night blindness

Which is the substitution reaction in the following?

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Halogenation of alkenes

Halogenation of alkynes

Bromination of alkene

Halogenation of alkanes

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