Question # 1

Elimination biomolecular reactions involve.

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First order kinetics

Second order kinetics

third order kinetics

Zero order kinetics

Ammonium Nitrate fertilizer is not useful for

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Wheat

Cotton

Sugan cane

Paddyrice

The pH of truly acidic rain is

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7-6.8

6.5-6

6-5.6

less than 5

What is the function of Head box in paper making machine.

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It reduces the thickness of paper

It dry the paper

It discharge teh pulp at the screen of fourdrinier table

Web structure is consolidated

Which one is not use of lime

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Extraction of metals

Ceramic industry

Preparation of bleaching powder

Preparation of gypsum

The product of fermentation of sucrose is

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Ethanol and H2O

Ethanol and CO

Ethanol and CO2

Glucose and CO2

Which one of the following is inorganic fertilizer.

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Manure

Urea

Ammonium nitrate

All of these

Which of the following is non-typical transition element

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Cr

Mn

Zn

Fel

Ethers show the phenomenon of

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Position Isomerism

Functional group isomerism

Metamerism

Chain isomerism

According to Lewis concept ethers behave as

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Acid

Base

Acid as well as a base

Noe of them

The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as.

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Wortz reaction

Frankland reaction

Sabatier sendron

Kolbe's synthesis

Which one of the following methods is used for the preparation of ether.

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Kolbe's reaction

Frankland reaction

Williamson synthesis

Down's process

Each of the following is true for white and red phosphorus except one.

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Both are soluble in CCl4

Both can be oxidized by heating in air

Both consists of same kind of atoms

Both can be converted into each other

The main pollutant of leather tanneries in the waste water is due the salt of.

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Lead

Chromium (VI)

Copper

Chromium (III)

Which of the following reagents will reacts with both aldehydes and ketones.

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Grignard reagent

Tollens's reagent

Fehling's reagent

Benedict 's reagent

When hydrolyzed, protein yields.

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Fatty acid

Glycerol

Amino acid

Nucleosides

The colour of transition metal complexes is due to

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d-d transition of electrons

Paramagnetic nature of transition elements

Ionization

Loss of s -electrons

During pulp making, the pH of digester is maintained at.

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1-2

3-5

6-8

7-9

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