Question # 1

Which electronic configuration corresponds to an element of group III-A of the Periodic Table

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1s²,2s²,2p⁶,3s²,3p¹

1s²,2s²,2p⁶,3s²,3p⁶,4s⁶

1s²,2s²,2p⁶

1s²,2s²,3s²,3p³

The word alkali is derived from which language

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Arabic

Greek

French

German

Which one of the following does not belong to alkaline earth metals.

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Be

Ra

Ba

Rn

Which of the following is not a fatty acid

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

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

Acetic acid manufactured by

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Distillation

Fermentation

Ozonolysis

Esterification

Which of the following is a typical transition metal

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Sc

Y

Ra

Co

An atom or group of atoms, which confers characteristic properties to organic compounds, are called.

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Isomerism

Metamerism

Ligands

Functional groups

Isopropyl alcohol on oxidation gives

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Acetaldehyde

Acetone

Ether

Propene

Which of the following is an ester.

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Soap

Starch

PVC

Dacron

Phenol is also known as

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Citric acid

Carbonic acid

Carbolic acid

Maleic acid

f - block elements are also called.

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Non typical transition elements

Outer transition elements

Inner transition elements

None of true

Geometrical isomerism in alkene is due to.

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C = C free rotation of bond

No C = C free rotation of bond

Presence of multiple bond only

Opticla rotation due to multiple bond

Which compound shows hydrogen bonding.

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C2H6

C2H5Cl

CH3-O-CH3

C2H5OH

In water the concentration of dissolved O₂should be

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1-3 ppm

2-4 ppm

4-8 ppm

8-12 ppm

Out of the elements of group VA, the highest energy is possessed by

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N

P

Sb

Bi

Which one is not property or uses of mustard gas

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Used in 1st world war

Powerful vesicant

High boiling liquid

High boiling gas

In which compound, the oxidation state of boron in not +3

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H2BO3

Ca2B2O11

Na2B4O7

Mg3B2

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