Question # 1

Irreversible precipitation of protein caused by heating is called

Choose an answer

Polymerization

Denaturing

Inversion

Co-angular

Substance that does not show the process of sublimation is

Choose an answer

K2Cr2O7

iodine

naphthalene

NH4CI

The rate of reaction for a reaction is 30 mol dm-3sec-1 if the product of concentration of 10.reactant is unity the specific rate constant is

Choose an answer

25

2.5

30

15

The volume of a real gas

Choose an answer

is constant

increases with T decrease

becomes zero at absolute zero

never becomes zero

The heat of reaction depends upon

Choose an answer

Temperature of the reactants

Physical states of the reactants and the products

Both A) and B)

Path of the reaction and the temperature

Chemical equilibrium involving reactants and products in more than one phase is called:

Choose an answer

Homogeneous

Heterogeneous

Dynamic

Static

The word paper is derived from the name of which reedy plant

Choose an answer

rose

sun flower

papyrus

water hyacinth

Which one of the following is a water soluble vitamin?

Choose an answer

niacin

rioflavin

trypsin

ascorobic acid

A real gas most closely approaches the behaviour of an ideal gas at

Choose an answer

15 atm. and 200 K

1 atm. and 273 K

0.5 atm.and 500 K

15 tm, and 500 K

Which of the following laws study the pressure-volume relationship of a gas at constant temperature,we get

Choose an answer

a straight line

a curve with different peaks

straight line parallel to x-axis

a curve called isotherm

Simplest Structure of a protein that has only covalent bonding between amino acids is

Choose an answer

2° structure

3°structure

1° structure

4° structure

For which system does the equilibrium constant, kc has units of (concentration) ?

Choose an answer

N₂+3H_2-------2NH₃

H₂+L₂---------2HL

2NO₂----------N₂O₄

2HF--------H2+F₂

Active metals react with carboxylic acid releasing gas:

Choose an answer

CO

CO₂

H₂O as steam

H₂

Zwitter ion is ______ ion an amino acid

Choose an answer

Polar

Monopular

Dipolar

Non polar

How many moles of oxygen, O₂are needed for the complete combustion of two moles of butane C₄H₁₀?

Choose an answer

2

8

10

13

Etherification is catalyzed by

Choose an answer

Acids

Gases

Salts

None of the these

Choose an answer

300 cm³

200 cm³

150 cm³

100 cm³

Complex protein molecules which catalyses the organic reactions in the living cells are called

Choose an answer

Living organisms

Enzymes

Viruses

Bacteria

Extent to H₂ + L₂à2Hl can be increased by :

Choose an answer

Increasing temperature.

Increasing product.

Increasing pressure.

Adding a catalyst.

SN₂reactions can be best carried out with:

Choose an answer

Prl. alkyl halide

Sec. Alkyl halide

Ter. Alkyl halide

All of three

The fourteen elements following actinium are known as

Choose an answer

Lanthanones

Lanthanides

Rare earths

Actinides

Which element among the following belongs to Group IV-A of the periodic table?

Choose an answer

Barium

Iodine

Lead

Oxygen

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