Question # 1

Which one of the following statements about positive ions is incorrect?

Choose an answer

they are also known as cations

they are formed when electrons are removed from atoms

they are larger than the atom from which hay were formed

they are smaller than the atom from which they were formed

Ethyl and methyl groups are equidistant in a chain, the preference is given to?

Choose an answer

Ethyl

methyl

both ethyl and methyl

methyl mostly

According to Boyles law, at constant temperature the product of pressure and volume of a given mass of gas is

Choose an answer

whole number

a constant

fraction

a multiple

There are _________ types of solids

Choose an answer

1

2

3

4

Density of water becomes maximum at

Choose an answer

10°C

4°C

5°C

12°C

A compound z' decolorizes bromine water and produces white ppt. The compound 'z'is

Choose an answer

Alkane

Alcohol

Phenol

Benzene

The hexagonal closed packing is associated with

Choose an answer

Ag, Cu, Au

Zn, Cd, Hg

Li, Na, K

NaCl, KBr

The structure of a polymer depends upon how the monomer-repeating unit joins to makes a polymer, What is not the type of structure of a polymer?

Choose an answer

synthetic polymer

linear polymer

branched

cross linked or inter connected polymer

Meniscus is the shape of the surface of a liquid in a cylindrical container:

Choose an answer

meniscus may be convex

meniscus is concave

meniscus may be convex or concave depending upon the nature of metal

meniscus is plane

The change in enthalpy when one mole of a substance is dissolved in a specified quantity of solvent at a given temperature is called

Choose an answer

Heat of reaction

Heat of solvation

Heat of combustion

Heat of solvent

The compound which does not form iodoform:

Choose an answer

methyl alcohol

ethyl alcohol

acetone

acetaldehyde

Which one of the following dissolves more rapidly in blood hemoglobin than oxygen?

Choose an answer

Ozone

Nitrous oxide

Sulphure dioxide

Carbon monoxide

Which is not an enzyme

Choose an answer

Transverses

Lipase

Lyase

None of these

Which acid is used in the manufacture of synthetic fibre

Choose an answer

Formic acid

Phthalic acid

Carbonic acid

Acetic acid

Estimation of Na in sea water is an example of

Choose an answer

Numerical analysis

Qualitative analysis

Quantitative analysis

None of above

The concentration of reactants is increased by x, then equilibrium constant K becomes

Choose an answer

ln K/x

K/x

K + x

K

The filtration process is used to separate solid from

Choose an answer

Liquid

Gas

Solid

All of above

Eutrophication causes reduction in

Choose an answer

Dissolved hydrogen

Dissolved oxygen

Dissolved salts

All the above

Between CH₃COOH and HCOOH, HCOOH will be

Choose an answer

Less acidic

Equally acidic

More acidic

None

Ozone hole refers to

Choose an answer

Hole in ozone layers

Reduction in thickness of ozone layer in stratosphere

Reduction of thickness of ozone in troposphere

Increase concentration of ozone

Acetamide and NaOBr/OH^-produce

Choose an answer

Ethanamine

Methanamide

CH₃CN

NH₃

Dilatometric method is used for rate determination when

Choose an answer

Reactions involving change of optical

Reactions involving change of optical activity

Reactions involving small volume change

None of above

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