Chemistry MCQs

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Cement is a mixture of________________?

A.clay and clinker

B.lime stone and gypsum

C.clay lime stone and gypsum

D.lime stone and clay

Submitted by: Academy of Pakistan

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When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

A.Butanoic acid

B.Propanoic acid

C.Ethanoic acid

D.Carboxylic acid

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Indicate the correct statement__________________?

A.Cl2 is the strongest oxidizing agent

B.Cl2 is insoluble in water

C.Br2 is more reactive than Cl2

D.I2 is a volatile solid

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Which of the following is unit of Viscosity?

A.Torr

B.Poise

C.Hertz

D.Decibell

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Which of the following ion formation is always exothermic ?

A.Di-positive

B.Uni-negative

C.Di-negative

D.Uni-positive

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The stationary and mobile phases in paper chromatography are____________?

A.Liquid/liquid

B.Liquid/solid

C.Solid/liquid

D.Liquid/gas

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Radiations are harmful as it:___________?

A.Causes anemia

B.Causes skin cancer

C.Alters body tissue

D.is unstable

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Any process of chemical decay of metals due to the action of surrounding medium is called__________________?

A.corrosion

B.coating

C.enameling

D.activation

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Which one of the following is also known as lactic acid ?

A.3-hydroxy butanoic acid

B.3-Hydroxy propanoic acid

C.2-hydroxy butanoic acid

D.2-Hydroxy propanoic acid

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Alkenes are produced from dehalogenation of________________?

A.vicinal dihalo alkane

B.trihalo alkane

C.vicinal trihalo alkane

D.dihalo alkane

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Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?

A.urotropine

B.Aniline formaldehyde plastic

C.Bakelite

D.Nylon 66

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The compound or complex ion which has a ring in its structure__________________?

A.polydentate ligand

B.monodentate ligand

C.chelate

D.hydrate

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Metal are highly ___________ ?

A.Both of these

B.Electronegativity

C.Electropositive

D.Neutral

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Which element can form tripositive ion ?

A.Carbon

B.Aluminium

C.Beryllium

D.Silicon

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Sum of exponents of molar concentration is called___________________?

A.Average of reaction

B.Molecularity

C.Rate of reaction

D.Order of reaction

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Chemistry MCQs

Cement is a mixture of________________?

When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

Indicate the correct statement__________________?

Which of the following is unit of Viscosity?

Which of the following ion formation is always exothermic ?

The stationary and mobile phases in paper chromatography are____________?

Radiations are harmful as it:___________?

Any process of chemical decay of metals due to the action of surrounding medium is called__________________?

Which one of the following is also known as lactic acid ?

Alkenes are produced from dehalogenation of________________?

Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?

The compound or complex ion which has a ring in its structure__________________?

Metal are highly ___________ ?

Which element can form tripositive ion ?

Sum of exponents of molar concentration is called___________________?

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