Question # 1

Which element of group V-A and VII-A does not use d-orbital?

Choose an answer

Nitrogen

Sulphur

Arsenic

Chlorine

What is the weight of 10 litres of CO₂at 27°C and 2 atm?

Choose an answer

89.3 g

36.1 g

125 g

127 g

An ester is prepared by:

Choose an answer

two alcohols

carboxylic acid and alcohol

ketone and alcohol

aldehyde and alcohol

At higher temperature isotherm moves away from y-axis because of increase in

Choose an answer

Pressure

Number of moles

Volume

Mass

Most harmful of biosphere is

Choose an answer

Deforestation

Nuclear fail out

Salinity

Water logging

Lithosphere extends upto kilometer of earth crust in depth:

Choose an answer

10 km

100 km

1000 km

10000 km

The enzymes that bring about exchange of functional groups like phosphate are called

Choose an answer

Ligases

Lyases

Isomerases

Transferases

If the pressure of gas reduced to one half and temperature is increased twice then density of gas will be

Choose an answer

4 times

2 times

1/2 times

1/4 times

Which method is not used in preparation of acetic acid?

Choose an answer

Oxidation of ethane

Hydrolysis of ethyl acetate

Reaction of CO₂with CH₃MgX

Oxidation of methane

Density of H₂gas at 0°C is 0.09 under 1 atmospheric pressure. The density of O₂gas under the same conditions of temperature and pressure is

Choose an answer

0.36

1.00

1.44

1.18

The word polymer is derived from words poly mean many and mer means unit.

Choose an answer

Latin

Greek

English

French

Alkanes containing carbon C₁₈ownwards are

Choose an answer

Gases

Liquids

Waxy solids

Solids

The principle quantum number describes

Choose an answer

The distance form the nucleus

The shape of the orbital

The orientation of the orbital

The spin of the electron

The wave number of the light emitted by a certain source is 2 x 10⁶m^-1. The wavelength of this light will be

Choose an answer

500 nm

500 m

200 nm

5 x 10⁷m

Ethylene can be prepared in the laboratory by heating together ethyl alcohol and

Choose an answer

HCI

Phenol

HF

H₂SO₄

When sodium benzoate is treated with soda lime (NaOH) benzene is formed. What is the other product

Choose an answer

Na₂CO₃

NaHCO₃

Ca(OH)₂

CaCO₃

A homogeneous mixture of two or more than two chemical substances is called

Choose an answer

Solute

Solution

Solvent

Salvation

Which of the following factors does not influenced the rate of reaction

Choose an answer

Concentration of the reaction

Nature of the reactants

Molecularity of the reaction

Temperature

The group linkage present in fats is

Choose an answer

Peptide linkage

Ester linkage

Glycosidic linkage

None of these

The four quantum numbers of the valency electron of potassium are

Choose an answer

4,1,1,1/2

4,0,0,1/2

4,1,0,1/2

4,4,0,1/2

In Lucas test teriary alcohol make an oily layer

Choose an answer

Immediately

In 10 mins

On heating

Not

Electrochemical series is a list of element S arranged into the increasing order of their

Choose an answer

Standard oxidation potential

Standard reduction potential

Cell voltage

Ionization potential

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