Question # 1

For an ideal gas, number of mole in terms of its pressure P, temperature T and gas constant is

Choose an answer

PT/R

PRT

PV/RT

RT/P

Which one of the following groups is indicated when HCI is formed by reaction of ethanol with phosphorous pentachloride?

Choose an answer

Amino group

Halide group

Hydroxyl group

Hydride group

The rate diffusion of H₂is 4 times than the of an unknown gas at same temperature and pressure, the molecular mass of unknown gas is

Choose an answer

32

16

4

64

Primary, secondary aad tertiary alcohols can be identified and distinguished by

Choose an answer

Lucas test

lodoform test

Baeyer's test

Silver mirror test

Formic acid is obtained from red out by:

Choose an answer

Distillation

Crystallization

Filtration

Sublimation

Which products are formed when triglyceride is hydrolysed

Choose an answer

Glycerol

Fatty acid

Glycerin

Both A and B

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 one of the followings has polar covalent bonds hut is overall nom-polar molecule:

Choose an answer

HF

CO₂

CH₄

N₂

The reaction between fat and NaOH is called:

Choose an answer

esterification

hydrogenolysis

fermentation

sponification

Ozone in stratosphere extends upto km:

Choose an answer

0-15 km

10-15 km

15-40 km

15-25 km

Which of these polymers is a synthetic polymer

Choose an answer

Starch

Animal fat

Polyester in an addition polymer

Cellulose

Choose an answer

The quality of petroleum is determined by

Choose an answer

Decane number

Octane number

Nexane number

None of these

With increasing principle quantum number, the energy difference between adjacent energy levels in H atom

Choose an answer

Decreases

Increases

Remains constant

Decreases for low value of Z and increase for higher value of Z

Which is not a component of environment

Choose an answer

Biosphere

Lithospahre

Hydrosphere

None of these

Ifα us the degree of dissociation of Na₂SO₄the vant Hoff's factor (1) used for calculating the molecular mass is

Choose an answer

1 +α

1 -α

1 + 2α

1 - 2α

Electrochemistry is concerned with the conversion of electrical energy into chemical energy in :

Choose an answer

Galvanic cell

Electrolytic cell

Voltaic cell

Both (a) and (c)

In the rate equation when the concentration of reactants are unity, then rate is equal to

Choose an answer

Instantaneous rate

Average rate

Active mass of products

Specific rate constant

Chromium (VI) is highly toxic and can cause

Choose an answer

Blindness

Cancer

Liver problems

Blood problems

Which of the following statements is most appropriate about effective nuclear charge? It depends upon

Choose an answer

The shielding constant

The atomic number

The charge on the nucleus

Both the nuclear charge and the shielding constant

Octane number is zero for

Choose an answer

n-Heptane

Isooctane

n-Hexane

Isoheptane

The atomic number of an element is 35 what is the total number of electrons present in all the p-orbitals of the ground state atom of that element?

Choose an answer

6

11

17

23

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