Question # 1

The temperature in the incineration of industrial and hazardons waster process had a range

Choose an answer

950 to 1300°C

500 to 900°C

250 to 500°C

900 to 1000°C

The element which exhibits maximum catenation property is

Choose an answer

C

Pb

Ge

Sn

In a period the atomic radii

Choose an answer

increase

decrease

remain same

first increase, then decreased

A basic buffer solution can be prepared by mixing?

Choose an answer

Weak acid and its salt with strong base

Weak base and its salt with strong acid

Strong acid and its salt with weak base

Strong base and its salt with strong acid

Formula of sodium beryllite is

Choose an answer

Na2B4O7

Na2BeO2

BeONa

Na2B4O7 .10 H2O

Air can be distilled fractionally because the constiltuents of the air:

Choose an answer

have different densities

can be liquefied

are gases at room temperature

have different boiling points

Covalent bonds are

Choose an answer

directional

Bidirectional

Multidirectional

Non directional

Which of the following is thermosetting polymer

Choose an answer

Synthetic varnishes

Epoxy resins

PVC

Both A and B

Choose a point which is not included in the components of environment:

Choose an answer

stratosphere

hydrosphere

lithosphere

biosphere

Real gases deviate at low temperature from ideal behaviour due to

Choose an answer

there is transitional motion of molecule

the collissions between the molecules are decreased

volume of gas is decreased

the inter molecular attractive forces become significant

The values of ∆H for the process l(g)+e-1--------->
I-1(g) is:

Choose an answer

>0

<0

0

None

The size of electronic shell is described by

Choose an answer

Azimuthal Q. no

Magnetic Q.No

Spin Q. No

Principle Q. No

If Grignard reagent is allowed to react with another alkyl halide the main product is

Choose an answer

An alkane

Cyclo alkane

Alkyne

An alkene

An azeotropic mixture showing it's positive deviation from Raoult's law, the volume of the mixture is :

Choose an answer

Slightly more than the total volume of the components.

Slightly less than the total volume of the components.

Equal to the total volume of the components.

None of these.

Zeotropic mixture

Choose an answer

Obey Henry's law

Obey Raoult's law

Does not obey Raoult's law

Obey Dalton's law

Choose an answer

Forward

Backward

Already in equilibrium

K_cis never less

Two or more similar monomers combine to form:

Choose an answer

Homopolymer

Copolymer

Ter polymer

Thermoplastic polymers

Water is often treated with chlorine to

Choose an answer

Increase oxygen content

Kill germs

Remove hardness

Remove suspended particles

Cellulose does:

Choose an answer

Satisfy human appetite

Stimulates intestinal peristalsis

Gives fibre and bulk to the food

All of these

Chromic acid used to oxidize

Choose an answer

Aldehyde

Ketone

Both a and b

None of these

Enzymes are

Choose an answer

Proteins

Minerals

Oils

Fatty acids

Borax is hydrated:

Choose an answer

Penta

Deca

Hepta

Octa

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