Question # 1

Hydrolytic conversion of sucrose into glucose and fructose is known as

Choose an answer

Induction

Inversion

Insertion

Inhibition

Which of the following is a molecular disease?

Choose an answer

Allergy

Cancer

German measles

Sickle cell anemia

The treatment of benzene with isobutene in the presence of sulphuric acid give

Choose an answer

Isobutyl benzene

Tert-Butyl benzene

n-Butyl benzene

no reaction

The vapour density of a gas is 11.2 The volume occupied by 11.2 g of this gas at N.T.P is

Choose an answer

22.4 liters

11.2 liters

1 liter

2.24 liters

Calcium acetate when dry distilled gives

Choose an answer

Formaldehyde

Acetaldehyde

Acetone

Acetic anhydride

An electrolyte

Choose an answer

Forms complex ions in solution

Gives ions only when electricity is passed

Possesses ions even in solid state

Gives ions only when dissolved in water

Salol is prepared from

Choose an answer

Salicylic acid and phenol

Salicylic acid and methyl alcohol

Both

None

The pore size of the filter paper depends upon

Choose an answer

Nature of the medium

Temperature of the medium

Size of the particles

Mass of the particles

In Friedal-Craft's alkylation besides AICI3 the other reactants are

Choose an answer

C6H6 + NH3

C6H6 + CH4

C6H6 + CH3CI

C6H6 + CH3COCI

In which of the following elements +1 oxidation state is more stable than +3

Choose an answer

B

AI

Ga

Ti

The alkali metal which is liquid at 15°C is

Choose an answer

K

Cs

Na

None

When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to

Choose an answer

One gm. atomic weight

One gm. equivalent weight

Electrochemical equivalent

None of the above

Which of the following statements is correct with respect to the property of elements with increase in atomic number in the carbon family (group 14)?

Choose an answer

Their metallic character decreases

The stability of +2 oxidation state increases

Their ionization energy increases

Their atomic size decreases

Galena is an ore of

Choose an answer

Gallium

Lead

Tin

Germanium

The heat evolved in combustion of rhombic and monoclinic sulphur are -70960 and -71030 cal mol^-1respectively. What will be heat of conversion of rhombic sulphur to monoclinic?

Choose an answer

70960 calories

71030 calories

-70 calories

+70 calories

Ascorbic acid is chemical name of

Choose an answer

Vitamin D

Vitamin A

Vitamin C

Vitamin B6

The number of electrons in the M shell of the element with atomic number 24 is

Choose an answer

24

12

13

8

Calcium cyanamide on treatment with steam under pressure gives NH₃and

Choose an answer

Calcium carbonate

Calcium hydroxide

Calcium oxide

Calcium bicarbonate

Carbon monoxide is pollutant as it

Choose an answer

Inactivates nerves

Inhibits glycolysis

Combines with oxygen

Combines with hemoglobin

When excess of SnCl₂is added to a solution of HgCl_{2, a white precipitate turning to grey is obtained. They grey colour is due to the formation of}

Choose an answer

Hg₂Cl₂

SnCl₄

Sn

Hg

Wholer prepared urea from

Choose an answer

Ammonia

NH₄CNO

NH₃

Uric acid

Which of the following compounds has the lowest anion to cation size ratio?

Choose an answer

LiF

NaF

Csl

CsF

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