Question # 1

The macronutrients are required in quantities ranging from

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4-40 kg per acre

10-100 kg per acre

5-100 kg per acre

5-200 kg per acre

Formalin is a 40% solution of

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CH₃CHO

CH₃OH

HCHO

CH₃OCH

In aqua regia, the ratio of conc. HCl to Conc. HNO3 is

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1 : 1

2 :1

1:2

3 : 1

For ----------------- Mechanism, the first step involved is the same

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E1 and E2

E2 and S_N2

S_N1 and S_N2

E1 and S_N1

The macro nutrients are required in ranging from

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5 kg to 200 kg

5 kg to 200 g

6g to 200 g

1 kg to 100 kg

Which one of the following plastic is a thermosetting plastic.

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PVC

Polystyrene

Polyethene

Bakelite

Which is not coloured ion

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SO4^-2

MnO4-3

CrO4^-2

Cr2O7^-2

Which enzyme is not involved in fermentation of starch.

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Diastase

Zymase

Urease

Invertase

Which oxide is amphoteric in nature.

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BeO

MgO

CaO

BaO

Linear shape is associated with set of hybrid orbitals

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SP

sp²

dsp²

sp³

Zwitter ion is

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Dipolar ion

Amino acid with two amino groups

Amino acid with two carboxylic acid group

A synthetic amino acid

The oligosaccharides contain number of hexose unit.

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2 to 7

2 to 8

2 to 9

2 to 100

Which one of the following reactants will be required to form ethyl alcohol form ethyl bromide.

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Alcoholic KOH

Aqueous KOH

Alkaline KMnO4

Sodium metal in ether

Which compound shows maximum hydrogen bonding with water

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CH₃OH

C₂H₅OH

CH₃- O - CH₃

C₆H₅OH

The reactivity of Grignard's regent is due to

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Polarity of Mg-x bond

Polarity of C-Mg bond

Electro negativity of halogen atom

Presence of Mg-atom

A gas decolorizes alkaline KMnO4 but has no action with ammoniacal AgNO3, this gas may be

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C2H2

C2H4

C2H6

CH4

Total number of d-block elements are

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10

20

30

40

The benzene molecule contains.

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Three double bonds

Two double bonds

One double bonds

Delocalized sigma electron charge

Which one of the following polymers has no peptide linkage in it.

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Terlene

Nylon -6,6

Protein

None of these

Which one of the following Lipids does not have glycerol backbone.

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Cholesterol

Oil

glycogen

Vitamin D

In which process, an amino acid is produced

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Wurtz synthesis

Strecker synthesis

Kolbe synthesis

Cannizzaro reaction

Which one of the following is not use of chlorine.

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Formation PVC

Formation of mustard gas

Disinfectant and bleaching agent

Formation of sodium chloride

PCl3 reacts with water to form

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PH3

POCl3

H3PO4

H3PO5

Which is simplest amino acid

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Alanine

Protein

Lysine

Glycine

Rectified spirit contains alcohol about

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80%

85%

90%

95%

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