Question # 1

ΔH_{Neutralisation} is always

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Positive

Negative

Zero

Positive or negative

In a reversible chemical reaction having two reactants in equilibrium if the concentration of the reactants are doubled then the equilibrium constant will

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Also be doubled

Be halved

Becomes one fourth

Remains the same

Potassium is kept in

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Water

Ammonia

alcohol

Kerosene

The wire in the flash bulbs is made up of

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Mg

Ba

Cu

Ag

The addition of HBr is easiest with

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CH2 = CHCI

CICH = CHCI

CH3 - CH = CH2

(CH3)2 C = CH2

Wholer prepared ures from

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Ammonia

NH₄CNO

NH₃

uric acid

An electrolyte

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Forms complex ions in solution

Gives ions only when electricity is passed

Possesses ions even in solid state

Gives ions only when dissolved in water

Which has the largest radius?

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CO³⁺

Mn³⁺

Fe³⁺

Cr³⁺

A cell constant is generally found by measuring the conductivity of aqueous solution of

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BaCI₂

KCI

NaCI

MgCI₂

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NAT I Medical Chemistry MCQs With Answers

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