Question # 1

Esterification of CH3COOH isreaction

Choose an answer

Acid base

Electrophilic

Redox

Nucleophilic

The substance upon which an enzyme acts is known as its

Choose an answer

domain

field

substrate

reactant

The value of van der Waal s constant a for gases CO₂, N₂, and SO₂, are 3.59 ,1.39, 1.36, and 6.17 atm dm⁶ mol^-2respectively the gas which can be most easily liquefied is

Choose an answer

CO₂

O₂

N₂

SO₂

Which of the following metal does not liberate hydrogen on reaction with acid?

Choose an answer

Mg

Pt

Zn

Ca

Which of the following acid is unsaturated carboxylie acid

Choose an answer

Malonic acid

Oxalic acid

Succinic acid

Maleic acid

Moles of protons in 20g of SO3

Choose an answer

10

20

40

80

Graham s law refers to

Choose an answer

Boiling point of gases

Gas compression problems

Gaseous diffusion

Volume changes of gases due to change in temperature

It is very much difficult to cook food at Mount Everest, because

Choose an answer

temperature of atmosphere is very low

the boiling point of water is 69°C

water becomes heavier

the boiling point of water is increased

Which one among the following is not a natural polymer?

Choose an answer

protein

cellulose

nylon

nucleic acid

Select the name of ready plant from which word ''Paper'' is derived:

Choose an answer

sun flower

papyrus

water hyacinth

rose

Which of the following does not contribute towards the formation of photochemical smog?

Choose an answer

NO

SO₂

O₃

Hydrocarbons

Similarity in properties of different organic compounds give rise to the under standing of ______

Choose an answer

Polymerization

Non-polar nature

Homologous series

Isomerism

Coupling of Pb with its Pb⁺⁺/Pb = -0.13 V and Ag with Ag⁺/ Ag = +0.80 V, the cell reaction

Choose an answer

Which of the following isoelectronic ions has the lowest ionization energy?

Choose an answer

K⁺

Ca²⁺

Cl^-

S^2-

Hydrocarbons contain

Choose an answer

C and S only

C and H only

C, H, and O only

C, H, O and N only

When potassium metal is exposed to violet light

Choose an answer

Ejection of electrons takes place

Ejection of some potassium atoms occurs

There is no effect

The absorption of electrons takes place

The valency of noble gases, in general, is

Choose an answer

Zero

One

Three

Two

The unit of the rate constant is the same as that of rate of reaction in :

Choose an answer

Third order reaction

Second order reaction

First order reaction

Zero order reaction

Carboxylic acids are reduced to in presence of NaAIH₄

Choose an answer

Esters

Acetyl chloride

alcohol

Aldehydes

Which reagent is used to reduce a carboxylic group to an alcohol?

Choose an answer

H2/Ni

H2/Pt

NaBH4

LiAIH4

The conversion of chemical energy into electrical energy requires :

Choose an answer

Electrolytic cell

Galvanic cell

Voltaic cell

Both (b) and (c)

Hypo is used in photography for

Choose an answer

Developing picture

Picture printed

The colour of picture

The fixation of picture

More Classes

Other Links

Chemistry General Science Test Medium 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