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NAT I Medical Chemistry MCQs With Answers

Question # 1

The rate of reaction between A and B increases by a factor of 100 when the concentration with respect to A is increased 10 folds the order of reaction w.r.t A is

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Question # 2

The wire in the flash bulbs is made up of

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Question # 3

The rate of a reaction can be increased in general by all the factors except by

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Using a catalyst

Increasing temperature

Increasing the activation energy

Increasing the conc. of reactants

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Question # 4

Which of the following is directly related to Qualitative analysis?

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Identification

Separation

Measurement

Calculation

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Question # 5

Causticisation process is used for the preparation of

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Caustic soda

Caustic potash

Baryata solution

Slaked lime

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Question # 6

The relative rates of diffusion of a gas (Mol, wt. - 98) as compared to hydrogen will be

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1/7

1/5

1/4

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Question # 7

Which of the following compounds has the lowest anion to cation size ratio?

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LiF

NaF

CsI

CsF

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Question # 8

Which species represents the electrophile in aromatic nitrotaion?

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NO^-₂

NO₂

NO2

NO^-₃

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Question # 9

Which of the following elements is most electronegative?

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Oxygen

Chlorine

Nitrogen

Fluorine

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