Question # 1

Which one of the following diseases causes liver inflammation?

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Typhoid

Jaundice

Cholera

Hapatitis

Catalyst used in Haber's process is:

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Ni

Fe

Cu

Zn

Chloroform is used for

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Anesthesia

Fever

Link

Toys

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

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CH₄

C₁₀H₂₀

C₂H₄

C₂H₂

Natural gas contains.

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Methane

Ethane

Propane

All

When a reaction ceases to proceed further , it is called.

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Chemical states

Static state

Physical state

Dynamic equilibrium state

The reduction of alkyl halides takes place in the presence of.

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Zn/HCl

Na/HCl

Mg/HCl

Cu/HCl

Natural source of citric acid is:

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Rancid butter

Fats

Lemon

Sour milk

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

The black residue of the coal tar is called:

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peat

lignite

pitch

matte

All water soluble metallic oxides have characteristic of:

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acidic

basic

neutral

amphoteric

Which type of reactions take place in both directions?

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Addition reactions

Reversible reactions

Irreversibel reactions

Decomposition reactions

Permanent hardness is removed by adding.

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Na₂ zeolite.

Soda lime

Lime water

Quick lime

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