Question # 1

Starch is

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Monosaccharide

Disaccharide

Polysaccharide

Oligosaccharide

The amount of free fatty acid in fats and oil is determined by

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Iodine number

Acid number

Saponification number

Gold number

Out of the elements of group VIA the highest melting and boiling points is shown by the element.

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Te

Se

S

Po

Disinfection of water by chlorine is done by the production of.

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NH2Cl

NCl2

HOCl

NHCl2

The element of 2nd period, which has highest ionization energy from the following is

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Be

C

N

O

Ethanol can be converted into ethanoic acid by.

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Hydrogenation

Hydration

Oxidation

Fermentation

Which is the second most abundant element in the universe

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H

He

CO

C

The oligosaccharides contain number of hexose unit.

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2 to 7

2 to 8

2 to 9

2 to 100

When ethyl bromide is heated with Ag2O the product formed is.

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Ethanol

Ethene

Ethanol

Di ethyl ether

Aromatic compounds burns with sooty flame because.

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They have high percentage of hydrogen

The have a right structure

The have high percentage of carbon

The resist reaction with air

Which gas is used for artificial ripening of fruits

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Ethene

Metheane

Propane

Ethyne

The presence of a double bond in a compound is the sign of.

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Saturation

Unsaturation

Substitution

None of these

Raney Nickel is

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Nickel compound

Naturally occurring nickel

Spongy form of a nickel

Alloy of nickel

When hydrolyzed, protein yields.

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Fatty acid

Glycerol

Amino acid

Nucleosides

Which one of the following alkanes will be formed by the hydrolysis of ethyl magnesium bromide

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Methane

Ethane

Butane

do not hydrolysed

Stainless steel is

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Compound

An element

Mixture

100% pure iron

Which substance usually undergo nucleophilic addition reactions.

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Benzenes

Aldehydes

Alkenes

All of these

The general formula for Alkene having one double bond is

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C_nH_2n+1

C_nH_2n

C_nH_2n-2

C_nH_2n+2

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