Question # 1

The working condition/s for SHE

Choose an answer

1atm pressure

1M H-solution

298K temperature

All of these

Which woody raw material is used of the manufacture of paper pulp?

Choose an answer

cotton

bagasse

poplar

rice straw

In esterification, the OH of carboxylic acid is replaced by

Choose an answer

OR+

R+

OR

R

The mono atomic gases are

Choose an answer

Halogens

Noble gases

6h group elements

Nitrogen and oxygen

Surface tension is measured by

Choose an answer

viscometer

barometer

stalagmometer

manometer

Alcohols of low molecular weight are:

Choose an answer

Soluble in water

Insoluble in water

Soluble in water on heating

Insoluble in all solvents

Molar mass of formic acid in benzene comes out to be

Choose an answer

64

46

32

92

Which method is used to prepare carboxylic acid?

Choose an answer

Hydrolysis of AI₄C₃

Hydrolysis of CaC₂

Hydrolysis of alkyl nitrites

Hydrolysis of alkenes

All of the following are non covalent except

Choose an answer

Hydrophobic interactions

Disulphide bond

Hydrogen bond

Electrostatic bond

Chloroform (CHCl3) is?

Choose an answer

Primary alkyl halide

Secondary alkyl halide

Tertiary alkyl halide

a liquid

If the number of gas molecules are doubled in the certain volume the pressure is:

Choose an answer

Increased to four times

Remains unchanged

Doubeld

Decrease to half

When aqueous NaCl is electrolyzed, which of the following ions get discharged at anode :

Choose an answer

H⁺

Na⁺

OH^-

Cl^-

Alkyl halides ae considered to be very reactive compounds towards nucleophiles because

Choose an answer

They have an electrophilic carbon

They have an electrophilic carbon and a good leaving group

They have an electrophilic carbon and a bad leaving group

They have a nucleophilic carbon and a good leaving group

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Choose an answer

Be

Mg

Ca

Sr

The velocity of photon is:

Choose an answer

Independent of its wavelength.

Depends on its wavelength.

Equal to square of its amplitude

Depends on its source.

Transition metals mostly are

Choose an answer

Diamagnetic

Paramagnetic

Neither diamagnetic nor paramagnetic

Both diamagnetic and paramagnetic

The element with atomic number 55 belongs to which block of the periodic table

Choose an answer

s-block

p-block

d-block

f-block

In fructose the possible optical isomers are

Choose an answer

12

8

16

4

The weight of pure NaOH required to prepare 250 cm³of 0.1 N solution is

Choose an answer

4 g

1 g

2 g

5 g

Self linkage of carbon to produce long chains

Choose an answer

isomerism

Polymorphism

Polymerization

Catenation

Phosphate pollution is caused by

Choose an answer

Weathering of phosphate rocks only

Agricultural fertilizers

Phosphate rocks and sewage

Sewage and agricultural fertilizers

Carboxylic acids on complete reduction in the presence of Hi and red phosphorus gives:

Choose an answer

Esters

Alcohols

Alkanes

Aldehydes

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