Question # 1

Alkyl halides are considered to be very reactive compounds towards nucleophile because

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They have an electrophilic carbon

They have an electrophilic carbon and a good leaving group

They have an electrophilic carbon and a bed leaving group

They have a nucleophilic carbon and a good leaving group

Plastics are pollution problem because many plastics

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are made from petroleum

are very inflammable

burn to produce toxic fumes

decompose to produce toxic products

Which carbohydrate is called animal starch

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Glucose

Fructose

Glycogen

Starch

What product is formed by the dry distillation of calcium acetate.

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CH3CH2COOH

CH3COOH

CH3COCH3

CH3CH2CHO

Oxides of alkaline earth metal are

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Acidic

Basic

Neutral

Amphoteric

The process in when alkene are converted into carboxylic acid is known as

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Oxidation

Reduction

Hydrolysis

Hydration

The catalytic oxidation of methane produces

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CO + H₂O

CO₂+ H₂O

C₂+ H₂O

H₃C - OH

Some non protein portion attached to the protein is called.

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Prosthetic group

Secondary protein

Transport protein

All of these

Which of the following is Ortho and Para directing group

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-I

-CHO

-COR

-NH₂

Acetylene reacts with ammoniacal cuprous chloride a red ppt is formed. This red ppt is of

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Copper chlorite

Coper chlorate

Cupric oxide

Copper acetylide

When concentrated H2SO4 and solid sodium chloride react together at room temperature the product are.

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Two salts only

A salt and a base

A salt and an acid

A salt and water

In pyrite burner, the gas produced is.

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SO3

SO2

CO2

NO

Mild steel contains carbon percentage

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0.1 - 0.2%

0.3 - 0.7%

0.7 - 1.5%

1.6 - 2.0%

Potassium fertilizers are especially useful for

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Tobacco

Coffee

Potato

All of these

Which enzyme is not involved in fermentation of starch

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Zymase

Urease

Invertase

Diastase

Which one of the following is not amino acid.

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Alanine

Glycine

Aspartic acid

Aniline

The aromatic ring of Benzene can be hydrogenated in the presenc eof.

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Pt

Rh

Sunlight

O3

Which one of the following products is not formed when acetic acid reacts with PCl5

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C2H5Cl

HCl

POCl3

CH3COCl

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