Question # 1

Basicity of ortho phosphoric acid is.

Choose an answer

1

2

3

4

The reaction between Cu and conc. H2SO4 produces

Choose an answer

SO3

SO2

H2

Cu + ions

Bone ash contain calcium phosphate

Choose an answer

40%

50%

70%

80%

Gold dissolves in "Aqua Regia" due to formation of Halide. Point out correct halide

Choose an answer

AuF₃

AuCl₃

AuBr₃

AuI₃

Oxidation of NO in air produces

Choose an answer

N₂O

N₂O₃

N₂O₄

N₂O₅

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 oxidation of NO in air produces

Choose an answer

N₂O₃

NO₂

N₂O₃

N₂O₄

Sulphuric acid acts as dehydrating agent in its reaction with.

Choose an answer

Sodium chloride

Potassium nitrate

Copper

Ethyl alcohol

What is %age of calcium phosphate in bone ash

Choose an answer

20

40

80

60

Which one of the following oxide is brown in colour.

Choose an answer

NO

NO2

N2O

N2O3

In group VA elements the most electronegative elements is.

Choose an answer

Sb

N

P

As

Laughing gas is chemically

Choose an answer

NO

NO₂

N₂O

N₄O₄

In group V-A elements the most electronegative elements is

Choose an answer

Sb

N

P

As

The most electronegative element of group V-A is

Choose an answer

N

P

Sb

Bi

An element has oxidation state -2, +4, +6 in its compounds. In which group in the periodic table is this element likely to be.

Choose an answer

Grooup III A

Group IV A

Group V A

Group VI A

Which form of phosphorus is more stable.

Choose an answer

White

Red

Black

Both a and b

NH4NO3 on heating at 200 ^oC changes to

Choose an answer

N2O

NO

NO2

N2O4

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 brown gas formed when metal reduces HNO₃

Choose an answer

N₂O₅

N₂O₃

NO₂

NO

In pyrite burner, the gas produced is.

Choose an answer

SO3

SO2

CO2

NO

Which one is metaphosphoric acid

Choose an answer

HPO3

H3PO3

H3PO4

H4P2O7

P2O5 is usually used as

Choose an answer

Drying agent only

Reducing agent

Both drying and reducing agent

Both drying agent and oxidizing agent.

Each of the following is true for white and red phosphorus except one.

Choose an answer

Both are soluble in CCl4

Both can be oxidized by heating in air

Both consists of same kind of atoms

Both can be converted into each other

Which raw material is used for manufacture eof HNO3 by Birkland eyed process

Choose an answer

NH3 and CO2

Air

Air and gypsum

Lime stone and urea

SO2 is not absorbed in water directly to form H2SO4 because.

Choose an answer

The reaction does not go to completion

The reaction is quite slow

The reaction is exothermic

SO3 is insoluble in water

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer