Question # 1

Indicate the number of open chain isomers of C6H14

Choose an answer

4

5

6

7

Which pair of elements will have the same type of bonds between their atoms in the solid state?

Choose an answer

carbon and calcium

lithium and boron

aluminium and phosphorus

nitrogen and carbon

Anline is a derivative of:

Choose an answer

alkane

alkene

aromatic hydrocarbon

alicyclic

The heat of hydrogenation of most of the alkene is about

Choose an answer

120 kJ/mol

100 kJ/mol

140 kJ/mol

105 kJ/mol

Which of the following wast material is not recycled for use again?

Choose an answer

glasses

paper

plastic toys

hides of animals

The arrangement ABC, ABC .... is referred as

Choose an answer

cubic close packing

octahedral close packing

hexagonal close packing

tetrahedral close packing

Which of these are isomrophous to one another NaCl, NH₄Br, K₂CrO₄, K₂SO₄

Choose an answer

NaCl and NH₄Br both cubic

NH₄Br and K₂SO_{4 both tetragonal}

K₂CrO_{4 and}K₂SO₄orthorhombic

NaCl and K₂SO₄both rhobohedral

Which of the following is addition polymerization

Choose an answer

PVA

Polystyrene

Both

None

The optimum pH value for the enzyme ''Pepsin'' is:

Choose an answer

2

8

10

1.4

Chemical like Al₂(SO₄) or alum are used in purification of water druing step:

Choose an answer

aeration

coagulation

chlorination

treatment

The molecules of CO₂is dry ice form the

Choose an answer

ionic crystals

covalent crystals

molecular crystals

any type of crystal

When ethyl iodide and n-propyl iodide are allowed to react with sodium metal in ether, the number of alkanes that could be produced is

Choose an answer

Only one

Two alkanes

Three alkanes

Four alkanes

The acid showing salt like character in aqueous solution is

Choose an answer

Acetic acid

Benzoic acid

Formic acid

α - Aminoacetic acid

Methyl alcohol is not used

Choose an answer

As a solvent

A an anti-freezing agent

As a substitute for petrol

For denaturing of ethyl alcohol

The solid remained on filter paper during filtration is called the

Choose an answer

Substance

Residue

Undue

Filtrate

The detection of functional group is called

Choose an answer

Numerical analysis

Qualitative analysis

Combustion analysis

Quantitative analysis

The fibre which is obtained from naturally occurring proteins is called

Choose an answer

Saran

Azlon

Rayon

Nylon

Which of the following compounds will form a hydrocarbon on reaction with Grignard reagent

Choose an answer

A ketone

An aldehyde

An ether

Water

The fibre which is made from vinylidine chloride polymer is called

Choose an answer

Rayon fibre

Azlon fibre

Acetate fibre

Saran fibre

Which of the following are thermoplastic materials

Choose an answer

PVC

Polystyrenes

Polyethylene

All these

Each vertical column of the periodic table includes elements with chemical characteristics that are in general

Choose an answer

Identical

Similar

Different

Similar as well as different

Which of the following has polar bond

Choose an answer

O₂

N₂

HCl

Cl₂

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