Question # 1

Ph of unpolluted rain water is

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07

Less than 6

5.6

Less than 5

Lithosphere extends upto kilometer of earth crust in depth:

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10 km

100 km

1000 km

10000 km

Velaric acid is obtained from a herb velarian, its IUPAC name is

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Propionic acid

Pentanoic acid

Butyric acid

Caporic acid

The water is considered to be polluted when the concentration of oxygen in it is

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6 - 9ppm

6 ppm

8 ppm

Less than 4pm

Type of polymer formed by the polymerization of two monomers is:

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homopolymer

copolymer

ter polymer

All of these

Addition of unsymmetrical reagent to an unsymmetrical alkene is governed by

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Cannizzaro's Reaction

Aldol Condensation

Kirchhoff Rule

Markownikov's Rule

SHE acts as anode when connected with Cu electrode but act as cathode with Zn electrode

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Zn has less reduction potential than hydrogen and Cu

Zn has high reductionl potential than hydrogen

and Cu

Zn is below electrochemical series than hydrogen and Cu

Zn has least tendency to lose electron

The proteins which give an amino acid and non-protein group on hydrolysis are known as

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Derived protein

Albumins

Conjugated simple protein

Conjugated protein

Property due to which water acts as a universal solvent is

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Polarity

It's ability to make hydrogen bond

Both A and B

Strong dipole dipole interaction

One of the following is neutral amino acid

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Arginine

Lysine

Glutamine

Valine

An example of neutral amino acid is

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Gylcine

Lysine

Aspartic acid

Glutamic acid

Cannizzaro's reaction in not given by

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Formaldehyde

Acetaldehyde

Benzaldyhyde

Trimethylacetaldehyde

The organic compounds containing Ph--OH group are called:

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Phenol

Aldehyde

Ketones

Carboxylic acids

The general formula of amino acids is

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The raw material to form nylon is

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Adipic acid

Butadiene

Isoprene

Ethylene

The chemical formula of Epson salt is

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MgSO₄

MgCl₂

MgSO₄. 7H₂O

MgCl₂. 7H₂O

Where lime is not used

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In refining or metals

In paper industry

In glass industry

In the preparation of NaOH

The protein which only yield amino acids and their derivatives

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Simple proteins

Complex proteins

Derived protein

All of these

For the carbylamine reaction we need hot alc.KOH and

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Any amin and chloroform

Chloroform and Ag powder

A primary amine and chloroform

A mono alkyl amine and trichlorom-ethane

Series starting from57La,42Hf -80Hg is in the period:

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4th

5th

6th

7th

What is the name of the comlex [Ni(CO)₄]

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Tetracarbonylnickel (o)

Tetracabonylnickel

Tetracabonylnickel (II)

Tetracabonylnickel (IV)

The structure of ICI₂is

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Trigonal

Trigonal bipyramidal

Octahedral

Square planar

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