Question # 1

Which statement is incorrect.

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All the metals are good conductors of electricity

All the metals are good conductor of heat

All the metal form positive ions

All the metal form acidic oxides

In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms

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Two

Three

One

Four

S_N2 reactions can be carried out with

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Primary alkylhalide

Secondary alkyhalide

Tertiary alkylhalide

All of these

Which one of the following proteins transports oxygen in blood stream.

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Insulin

Albumin

Hemoglobin

Globulin

The brown gas formed when metal reduces HNO₃

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N₂O₅

N₂O₃

NO₂

NO

The number of peptide bonds in dipeptide is

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0

1

2

3

Which one of the following species is not an electrophile.

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HN3

Br

H+

BF3

Acetaldehyde undergoes, aldol condensation in the presence of.

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dil HNO3

DIL NaOH

dil HCl

Conc. H2SO4

Which substance is used to convert alcohol to alkyl halide.

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SOCl2

PCl3

HCl +ZnCl2

All of these

Element of which group reacts with hydrogen and form ionic hydrides.

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II A

IV A

V A

VI A

Methyl alcohol can be distinguished from ethyl alcohol by

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Action of Cl2

Action of NH3

Dissolving in H2O

NaOH +I2

Ranney nickel is prepared by reacting dilute NaOH solution with.

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Nickel

Brass

Nickel and aluminum alloy

Nickel oxide

Glycoside linkage is present in

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Proteins

Nylon -6,6

Starch

DNA

Which chemicals used for detection of amino acids.

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NaOH + I2

Phenyl hydrazine

Ninhydrin

Benedict's solution

Ammonium Nitrate fertilizer is not useful for

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Wheat

Cotton

Sugan cane

Paddyrice

which one is not fossil fuel

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Petroleum

Natural gas

Coal

Alcohol

Secondary alkyl halides are those in which halogen atom is attached with a carbon atom which is further attached to.

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One beta carbon

Two beta carbon

Three beta carbon

Four beta carbon

Which reagent is used to reduce a carboxylic group to an alcohol

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N₂/ Ni

H₂/Pt

NaBH₄

LiAIH₄

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