Question # 1

If the empirical formula of compound is CH2 and its molecular mass is 56 than what is the actual molecular formula of this compound.

Choose an answer

CH2

C2H4

C3H6

C4H8

The pH of 10^-3mol dm^-3of an aqueous solution of H₂SO₄is

Choose an answer

3.0

2.7

2.0

1.5

Which one of the following substances is used as decolouring agent

Choose an answer

Animal charcol

Concentrated H₂SO₄

CaCI₂

Silica gel

The number of moles of CO₂which contain 8.0 g of oxygen

Choose an answer

0.25

0.50

1.0

1.50

A molecule has two ions pairs and two bond pairs around the central atom. The shape of molecule is.

Choose an answer

Linear

Pyramidal

Angular

Tetrahedral

Anode rays were discovered by

Choose an answer

J. Stoney

Rutherford

J.J. Thomson

Goldstein

That cell in which electrical energy is converted into chemical energy is called

Choose an answer

Galvanic cell

Electrolytic cell

Fuel cell

Daniel cell

Polymorphic substances have

Choose an answer

Same physical and chemical properties

Different physical and chemical properties.

Same physical but different chemical properties

Different physical and same chemical properties.

Photosynthesis a photochemical reaction has order of reaction

Choose an answer

0

1

2

Fractional order

Which of the following molecules have unpaired electrons is the bonding molecular orbitals.

Choose an answer

N2

O2

B2

F2

Oxidation number of phosphorus in the compound is.

Choose an answer

+3

+4

+5

+6

Which statement is correct about solubility product constant.

Choose an answer

It is applicable at highly soluble substances.

Value of Kap is independent of temperature

It is used for homogeneous aquarium system

It can be used to predict that precipitation will take place or not by combining two ions

Which one of the following gases cannot be liquefied by Line's method.

Choose an answer

Water vapours

NH3

Nitrogen

H2

A single lead cell provides volts

Choose an answer

2

4

6

8

More ideal gas at room temperature is.

Choose an answer

CO2

NH3

SO2

N2

Stronger the oxidizing agent greater is the

Choose an answer

Oxidation potential

Reduction potential

Redox potential

E.M.F of cell

Rate of diffusion of CO and N₂are same at room temperature due to the reason, that

Choose an answer

Both are diatomic molecules

Both have same multiple bond in them

Both have lone pairs in them

Both have same molar masses

Which bond has more ionic characters in it.

Choose an answer

C - F

N - F

O - F

F - F

More Classes

Other Links

Chemistry Fsc Part 1 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