Question # 1

How many isotopes are present in palladium

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Two

Four

Six

nine

The specifie substance (metabolite) that fits on the enzyme surface and is converted to products is called

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Co-factor

Isoenzyme

Prosthetic group

Substrate

At constant temperature, volume of given mass of gas in inversely proportional to pressure on it. This statement is according to:

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Hook's law

Graham's law

Bolye's law

Charle's law

The heat of reaction depends upon

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Temperature of the reactants

Physical states of the reactants and the products

Both A) and B)

Path of the reaction and the temperature

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

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schrodixger

standinger

Lewsi

newton

Acetic acid is obtained from:

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Red out

Vinegar

Butter

Milk

The temperature in the incineration process has a range:

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900 to 1000°C

650 to 1100°C

950 to 1300°C

500 to 900°C

Which of the following is soluble in water?

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СН3ОН

CCL4

CHCI3

CS2

Which one of the following is a water soluble vitamin?

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niacin

rioflavin

trypsin

ascorobic acid

Coagulation in the purification of water is carried out by

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Alum

NiSO₄

BaSO₄

CuSO₄

Propanone does not undergo

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Oxime formation

Reduction of Fehling solution

Hydrazone formation with hydrazine

Reaction with HCN

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Three times

Six times

Nine times

Two times

For which mechanisms, the first step involved is the same:

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E₁ and E₂

E₂and SN₂

E₂ and E₁

E1 and SN₁

Heating a mixture of sodium benzoate and soda lime gives

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Methane

Benzene

Sodium bezoate

Calcium benzoate

Polysaccharides are also called

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Crystals

Sugars

Liquids

None sugars

Protein may have

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Primary structure

Secondary structure

Tertiary structure

All of these

The reaction of alcohol with SOCI₂in the presence of pyridine as catalyst gives

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Acids

Acid chloride

Alkyl halide

Benzene

The covalent bonds are

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Unidirectional

Bi-directional

Non-directional

Multi-directional

Which structure shows a tertiary alcohol

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CH₃CH₂OH

(CH₃)₂CHOH

(CH₃)₃COH

CH₂OH

n-butane and iso butane are an example of

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Chain isomerism

Positional isomerism

Meta merism

Functional group isomerism

Water which his considered to be safe for human consumption is known as

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Distilled water

Contaminated water

Potable water

Rain water

Osmotic pressure of a solution increases by

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Decreasing the temperature

Increasing the volume

Increasing the number of molecules of the solute

None of the above

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