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NEET Practice Questions (MCQs) with Answers & Solutions

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14.2 kg LPG is diffused in a gas cyllinder at 2.5 atm. If 50% lf LPG gas is used up then what will be the pressure of gas will remain in cyllinder ?

A. 2.5 atm B. 1.25 atm C. 5.0 atm D. $ { 14.2 \times 2.5 \over 7.1 \times V } $

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When the unit of $ R = 8.314 \times 10 ^ 7 erg. mole^{-1} k ^ {-1} $ . What are the units of pressure and volume of a gas ?

A. $ P - dyne cm^{-2}, V-cm ^ 3 $ B. $ P - paxal, V-cm^3 $ C. $ P - newton m^{-2}, V-cm^3 $ D. $ P - atm, V-cm^3 $

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unit of R in CGS system is

A. $ 8.314 \times 10 ^7 erg K ^ {-1} mole ^ {-1} $ B. $ 8.314 JK ^ {-1 } mole ^ {-1} $ C. $ 0.082litre atm mole ^ {-1} K ^ {-1} $ D. $ 1.987 cal mole ^ {-1} K ^ {-1} $

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Caprolactam is used for the manufacture of:

TERYLENE

NYLON-6

NYLON -6,6

TEFLON

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Explanation

FACT

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What is not rateted to Z ?

A. z=1 states the ideal behaviour of the gas B. Gases which has z =1 are an ideal gases C. z is the ratio of $ PV \over nRT } $ known as compressibility factor D. When z < 1 of z > 1, the gases convert into their liqud state

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Which equation is the ideal gas equation for the real gases ?

A. PV = nRT B. PV = iRT C. $ ( P = { am^2 \over v ^ 2 } ) ( V - nb) = CRT $ D. $ ( P = { am^2 \over v ^ 2 } ) ( V - nb) = nRT $

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Which factor is the deciding factor of physical state of matter ?

A. inter molecular forces B. molecular interaction C. effect of thermal energy on the motion of partcles D. Given all.

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Which physical state is accuired by water in between temperature above than 273 K and below 373 K?

A. plasma B. liquid C. solid D. Gas

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Which physical state of water is more compressable applying pressure at constant temperature ?

A. Ice B. water C. Vapour D. Plasma

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Which sabstance can be easily poored form one container into the other at room temperature ?

Kerosene

Ice

Salt

All

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