Question # 1

Acetic anhydride is obtained form acetyl chloride by the reaction of

Choose an answer

P₂O₅

H₂SO₄

CH₃COONa

CH₃COCH₃

The formula of nitre is

Choose an answer

KNO₃

NaNO₃

NaCI

Na₂CO₃

Among alkali metal salts,the lithium salts are the poorest conductors of electricity in aqueous solution because of

Choose an answer

Easy diffusion of Li⁺ ions

Lower ability of Li⁺ ions to polarize water molecules

Lowest charge to radius ratio

Higher degree of hydration of Li⁺ ions.

The osmotic pressure of solution increases if

Choose an answer

Temperature is decreased

Solution constant is increased

Number of solute molecules are increased

Volume is increased

Hydrolytic conversion of sucrose into glucose and fructose is known as

Choose an answer

Induction

Inversion

Insertion

Inhibition

Reaction of acids with alcohols is also known as

Choose an answer

Esterification

Saponification

Alkalization

None

Ionic solids with defects contain

Choose an answer

Equal number of cation and anion vacancies

Interstitial anions and anion vacancies

Cation vacancies only

Cation vacancies and interstitial cations

Which quantum number is sufficient to describe the electron is hydrogen atom?

Choose an answer

/

n

m

s

Bleaching action of bleaching powder is due to the liberation of

Choose an answer

O₂

OCI^-

CI₂

CI^-

SO₂ and NO₂ pollution by increasing

Choose an answer

Alkalinity

Acidity

Neutrality

Buffer action

When pressure is applied to the equilibrium system Ice Water Which of the following phenomenon will happen?

Choose an answer

More ice will be formed

Water will evaporate

More water will be formed

Equilibrium will not be formed

Which one of the following elements occurs free in nature?

Choose an answer

N

P

As

Sb

Which of the following imparts violet colouration to non-luiminous flame of Bunsen burner?

Choose an answer

NaCl₂

BaCl₂

CaCl₂

KCl

Carbon atom holding halogen in aryl halides is

Choose an answer

sp²-hybridesed

sp³-hybridesed

sp-hybridesed

sp³d-hybridesed

Which of the following transition metal ions will have definite value of magnetic moment?

Choose an answer

Sc³⁺

Ti³⁺

Cu⁺

Zn²⁺

Chile salt petre is

Choose an answer

NaNO₃

Na₂SO4

KNO₃

Na₂S₂O₃

Dehydration of glycerol give

Choose an answer

Propane

Propene

Acrolein

Benzene

Which of the following metal exhibits more than one oxidation?

Choose an answer

Na

Mg

Fe

Al

Benezene is obtained by fractional distillation of

Choose an answer

Heavy oil

Anthracene oil

Middle oil

Light oil

Ionic solids with defects, contain

Choose an answer

Equal number of cation and anion vacancies

Interstitial anions and anion vacancies

Cation vacancies only

Cation vacancies and interstitial cations

Formic acid is obtained when

Choose an answer

Calcium acetate is heated with conc. H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

Acetaldehyde is oxidized with K2Cr₂O₇ and H₂SO₄

Which of the following as a molecular diseaes?

Choose an answer

Allergy

Cancer

German measles

Sickle cell anemia

More Classes

Other Links

Chemistry General Science Test Hard Mode 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer