Question # 1

Chemical formula of stibnite on.

Choose an answer

BaSO4

Sb2S3

FeS2

ZnS

Out of the elements of group VA, the highest energy is possessed by

Choose an answer

N

P

Sb

Bi

Which of the following specie has the maximum number of unpaired electrons.

Choose an answer

O2

O2+

O2-

O2^-2

When Cu reacts with conc. HNO3 , which one of the following gases is evolved

Choose an answer

N2O

NO

NO2

N2O5

Out of all the elements of groups VI-A the highest melting and boiling points is shown by the element

Choose an answer

Te

Se

S

Po

Which of the following acids possess oxidizing and reducing properties.

Choose an answer

HCl

HNO2

HNO3

H2SO4

In aqua regia, the ratio of conc. HCl to Conc. HNO3 is

Choose an answer

1 : 1

2 :1

1:2

3 : 1

Which one of the following group of Periodic table called chalcogen family.

Choose an answer

Group III A

Group VA

Group VI A

Group VII A

The reaction between Cu and conc. H2SO4 produces

Choose an answer

SO3

SO2

H2

Cu + ions

The element which is present in earth crust about 50% is

Choose an answer

Oxygen

sulphur

Carbon

Nitrogen

Which one of the following oxide is brown in colour.

Choose an answer

NO

NO2

N2O

N2O3

The reaction between concentrated H2SO4 and glucose give carbon and water. In this reaction H2SO4 acts as.

Choose an answer

An acid

An oxidising agent

Dehydrating agent

A reducing agent

Out of the elements of group VIA the highest melting and boiling points is shown by the element.

Choose an answer

Te

Se

S

Po

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

Choose an answer

Two salts only

A salt and a base

A salt and an acid

A salt and water

The most electronegative element of group V-A is

Choose an answer

N

P

Sb

Bi

In pyrite burner, the gas produced is.

Choose an answer

SO3

SO2

CO2

NO

Which element does not have allotropic form

Choose an answer

Nitrogen

Phosphorous

Arsenic

Antimony

P2O5 is usually used as

Choose an answer

Drying agent only

Reducing agent

Both drying and reducing agent

Both drying agent and oxidizing agent.

More Classes

Other Links

Chemistry Fsc Part 2 Chapter 4 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