Question # 1

lonic solids are characterized by which one of the following properties

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moderately low pressure

high vapour pressure

good conductivity in solid state

solubility in polar solvents

Third order of protein structure refers to

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Bending of protein chain

Three-dimensional structure of protein

Number and sequence of amino acids

Site of disulphide bonds

In a saturated solution of AgCl, the molar concentration of Ag+ and Cl- is 1.0x10(-5)M each. What is the value of Ksp

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1.0x10(-5)

1.0x10(-15)

0.1x10(-5)

1.0x10(-10)

Monosacharides belong to the group:

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fats

lipids

carbhohydrates

proteins

Which one of the following elements is not present in all protens

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Carbon

Hydrogen

Nitrogen

Sulphur

Polarizability is responsible for intermolecular forces and it

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increases down the group

decreases down the group

almost remains the same

increased along a period

Under which condition CO has the maximum molar volume

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high T and P

Low T and High p

high T and low P

Low T and low P

Macromolecules or polymers are large molecules built up from small molecules known as monomers. This hypothesis put forward by

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Newton

Schrodinger

Lewis

Stadinger

How much heat is absorbed by 100 g of water when its temperature decreases from 25°C to 5°C? (heat capacity is 4.2 J/gK)

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84,000J

2000/4.2J

-2000/4.2j

-8400J

Amino acid α-hydroxy carboxylic acid and

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CO₂ gas

H₂ gas

N₂ gas

NH₃ gas

Albumin is

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Insoluble in water

Heat coagulable protein

A plant protein

A protein of low biological value

Law of mass action was given by :

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Guldberg and Waage.

Berkeley and Hartly.

Ramsay and Reyleigh.

Berthelot.

The process of osmosis was first discovered by

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Nollet

Pfeffer

Traube

Dutrochet

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Pressure change

Temperature change

Concentration change

Catalyst

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Treatment with HCN followed by acid hydrolysis

Oxidation of acetaldehyde followed by basic hydrolysis

Treatment with HCN followed by reduction

Treatment with HCN followed by oxidation

Formation of PVC form vinyl chloride is an example of

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Substitution reaction

Addition polymerization

Condensational reaction

Aldol condensation

All reactions occur in :

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A single step.

A series of steps

Two steps.

Both (a) and (b)

Metallic conduction is also called as :

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Ionic conduction.

Protonic conduction.

Electronic conduction

Super conduction

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

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It will react with water to liberate oxygen

Its hydroxide will be a strong alkali in water

Its carbonate will decompose on heating to give carbon dioxide

Its nitrate on heating will give nitrogen dioxide and oxygen

Which of the following solution have zero pH

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1 M HCI

MH₂SO₄

0.1 M HNO₃

1 M CH₃COOH

The structure of white phosphorus is

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Square planar

Pyramidal

Tetrahedral

Trigonal planer

Silver oxide battery has a voltage of

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2.0 V

1.5 V

2.5 V

1.0 V

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