Question # 1

Ethanol on oxidation in the presence of K2Cr2O7 and Conc. H2SO4 changes to.

Choose an answer

Acetaldehyde

Ethane

Ethene

CO2 and H2O

What is effect of solubility of carboxylic acid in water by increasing their molecular masses.

Choose an answer

Decreases

Increase

Remain constant

Non effected

Group VI B of transition elements contains.

Choose an answer

Zn, Cd, Hg

Fe, Ru,Os

Cr, Mo, W

Mn, Te, Re

The enzyme which bring about exchange of functional group between two compounds is called.

Choose an answer

Hydrolases

Transferase

Lyases

Ligases

Which of the following statement is correct

Choose an answer

Na atom is smaller than Na⁺

Na atom is larger than K atom

F atom is smaller than F^-

F atom is larger than F^-

All of the followings react with Fehling solution except

Choose an answer

CH2CH2CHO

CH3-CH2COCH3

HCHO

CH3-CHO

The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water

Choose an answer

KMnO₄

O₃

Alums

Chloramines

Aldehydes and ketones can be defected by

Choose an answer

2, 4 DNPH test

Tollen's test

Sodium Nitro prusside test

Benedicts solution test

Role of H2S in the given chemical reaction is H2S + I2--------------- 2HI+S

Choose an answer

Oxidising agent

Reducing agent

Dehydrating agent

As an acid

The length of the polymer chain is specified by the number of repeating units which is called.

Choose an answer

Condensation

Co-polymerization

Iodine number

Degree of polymerization

The halogens ae best described by which of the following statements.

Choose an answer

Their outer shell is complete

Most of them are colourless

They all are oxidizing agent

They all are gases at room temperature

An aldehyde is reduced to alkane with hydrazine is the presence of

Choose an answer

KOH

NaOH

CaO and NaOH

Ca(OH)2

Typical transition element is

Choose an answer

Sc

CO

Ra

Y

The colloidal particles in raw water can be removed by

Choose an answer

Coagulation

Aeration

Chlorination

Hydration

Which of the following is a typical transition metal

Choose an answer

Sc

Y

Ra

Co

Which is called milk of magnesia.

Choose an answer

MgCO3

Mg(OH)2

MgSO4

MgCl2

Acetic acid is manufactured by.

Choose an answer

Distillation

Fermentation

Ozonolysis

Esterification

Which meal is least reactive

Choose an answer

Li

NaOH

K

Pb

More Classes

Other Links

Chemistry Fsc Part 2 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer