Question # 1

Many petroleum products are:

Choose an answer

coloured

colourless

testy

poisoinous

The total K.E. of one mole of an ideal gas is given by:

Choose an answer

1/2 RT

3/2 RT

1/2 KT

3/2 KT

Which type of motion is exhibited by gases?

Choose an answer

Vibrational

Transitional

Rotational

All of them

At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in

Choose an answer

pressure

No. of moles

Volume

all of these

Denaturation of protein means the structure of protein is disrupted indicate which factor does not denature protein

Choose an answer

Oxidizing agent

Heat protein

Keeping pH 7.35

pH changes

A system absorbs 100 kJ heat and performs 50 kJ work on the surroundings. The increase in internal energy of the system is

Choose an answer

50kJ

100 kJ

150kJ

5000 kJ

Naturally occurring isotopes of silver are

Choose an answer

,Two

, Four

, Forty seven

, sixteen

Name the compound, which shows geometric isomerism

Choose an answer

I-bromo-2-chloropropene

2.3-dimethy lpropene

2-pentene

Both A & B

Phosphoprotein comes under the type of proteins

Choose an answer

Simple protein

Derived protein

Conjugated

Both A & B

As the number of carbon atoms increase the number of isomers also increase. The six carbon compound hexane has as many as:

Choose an answer

10 isomers

3 isomers

5 isomers

6 isomers

In big/metropolitan cities, atmosphere is mostly polluted due to

Choose an answer

Radioactive fall out

Household waste

Pesticide residue

Automobile exhausts

Terylen fibre is made by reaction of terephthalic acid with

Choose an answer

Ethylene

Ethylene glycol

Glycol

Terylene

Which of the following is an ortho-para directing group

Choose an answer

In macromolecules DP stands for

Choose an answer

Dissociation parameter

Dissociation polymer

Degree of polymerization

None of these

e/m of cathode rays is same but for positive rays e/m changes by changing gas in the discharge tube because

Choose an answer

Cathode rays are small sized particles

Cathode rays have same charge

Nature of cathode rays same for all gasses, but masses of nuclei are different for different gases

Temperature of cathode rays higher

In Antarctica ozone depletion is due to the formation of following compound

Choose an answer

Acrolein

Peroxy acetyl nitrate

SO₂and SO₃

Chlorine nitrate

N₂O₄⇌ 2NO₂

For the above reaction, which of the Following expression of K_c correct :

Choose an answer

Kc = [ N₂O₄]/[ NO₂]²

Kc = [ N₂O₄]/ [NO₂]

Kc = [ N₂O]²/[ N₂O₄]

Kc = [ N₂O₄]/[ N O₂]

When an electric current is passed through discharge tube at low pressure, cathode rays are emitted from cathode these rays consist of:

Choose an answer

Alpha rays.

Negative particles.

Electromagnetic rays.

Positive particles.

The rate of reaction determined at a given time is called

Choose an answer

Average rate

Instantaneous rate

Specific rate

Overall rate

For preparing an alkane, a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to

Choose an answer

Hydrolysis

Oxidation

Hydrogenation

Electrolysis

HCOOH reacts with conc. H₂SO₄to produce

Choose an answer

CO

CO₂

NO

NO₂

Factors affecting denaturation of proteins:

Choose an answer

Change in temp and pH

Strong reducing agent

Strong oxidizing agent

All of these

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