Question # 1

The deviation of a real gas from ideal behaviour is maximum at

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-10.0°C and 50 atm

-10°C and 2 atm

100°C and 2.0 atm

0°C and 2 atm

The largest number of molecules are present in

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3.6 g of H2O

4.6 g of C2H5OH

2.8 g of CO

5.4 g of N2O5

Out of total amount of water available for human use is

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0.30%

0.2%

40%

50%

Bonding in MgO is an example of

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lonic bond

Polar bond

Covalent bond

Coordination covalent bond

Gases are effused through a whole due to ______ motion

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Vibration

Rotaional

Translational

Chaotic

The structure normally associated with ionic bonding is:

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a giant lattice

a simple molecule

a giant molecule

a regular arrangement of ions surrounded by a sea , or cloud, of electrons

Which of the following folymer is used as binder

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PVC

PVA

Acrylic resins

Polyester

Enthalpy of a system can be calculated by which of following relationship

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q=ΔΕ

q=m×S×∆T

q=pv

q=m×v×∆T

Benzene reacts with Ethyl chloride in presence of AICls to give

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Benzalchloride

Benzyl chloride

Ethyl benzene

Benzotrichloride

Abumins and globulins are defined as

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Derived protein

Conjugated protein

Fibrous protein

Simple Protein

The oxidation state of carbon in C2O-²4 is

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+4

-4

+3

+2

Which set of hybrid orbitals has planar triangular shape

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sp³

sp

sp²

dsp²

Which of the following species participate in sulphonation of benzene ring?

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H2SO4

HSO4

SO3

SO^-₂

The solution left after the formation of crystals is called :

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Residue.

Filtrate.

Mother liquor.

None of these.

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0.60

1.67

0.66

2.6

In the reaction K₂Cr₂O₇+ HCl + CrCl₃+ Cl₂+ H₂O the element which is reduced is

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K

Cl

Cr

H

E = hv is the

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Spectral equation

Plank's equation

de Broglie's equation

None of these

3.6% WN solution of HCI has the molairity

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1.0

1.15

0.98

1.98

A set of compounds in which reactivity of halogen atom in the ascending order is

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Chlorobenzene, vinyl chloride, chloroethane

Chloroethane, chlorobenzene, vinyl chloride

Vinyl chloride,chlorobenzene chloroethane

Vinyl chloride, chloroethane,chlorobenzene

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Forward

Backward

Already in equilibrium

K_cis never less

How many moles of oxygen, O₂are needed for the complete combustion of two moles of butane C₄H₁₀?

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2

8

10

13

Sintered glass is a porous material use for :

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Absorpton

Decoration.

Filtration.

All of above.

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