Question # 1

Micronutrients are required in quantity ranging from

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4g-40g

6g-200g

6kg-200kg

4kg-40kg

Which compound is more soluble in water

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C₂H₅OH

C₆H₅OH

CH₃COCH₃

n - hexanol

The general formula for Alkanes is

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C_nH_2n+1

C_nH_2n

C_nH_2n-2

C_nH_2n+2

Which one is perchloric acid

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HClO

HClO₃

HClO₄

f-block elements are also called

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non typical transition elements

outer transition elements

normal transition elements

inner transition elements

The substance that retard the activity of enzyme is called.

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Co enzyme

Epo enzyme

Activity

Substrate

Elimination Bimolecular reactions involve

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Second order kinetics

First order kinetics

Third order kinetics

Zero order kinetics

Primary, Secondary and tertiary alcohols can be distinguish by.

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Iodoform test

Lucas test

Fehling solution

Ammoniacal silver nitrates

The transition elements which are present in 4th period of periodic table have atomic number.

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22 to 30

21 to 30

21 to 29

21 to 31

Wohler synthesized first organic compound in laboratory from

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Heating cyanogen's

Cyanogen and ammonium chloride solution

Cyanogen and HNO2

Heating ammonium cyanate

Acetic acid is manufactured by

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distillation

fermentation

ozonalysis

esterification

Vinyl chloride when boiled with alcoholic KOH , gives

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Acetylene

Ethylene

Ethene

Ethyl alcohol

The disease can be eradicated by using pesticides.

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Malaria

Yellow fever

Sleeping sickness

All of these

The word paper is derived from the name of which reed plant.

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Rose

Sun flower

Papyrus

Water Hyacinth

Which substance is used to consulate rubber latex

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Ethyl alcohol

Acetaldehyde

Acetic acid

Water

In which group, melting point and boiling point increase downward in a group

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IA

II A

VII A

Both a and b

In t-butyl alcohol, the tertiary carbon is bonded

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Three hydrogen atoms

Two hydrogen atoms

One hydrogen atom

No hydrogen atom

Which compound show hydrogen bonding

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C₂H₆

C₂H₅Cl

CH₃OCH₃

C₂H₅OH

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