Question # 1

The number of carbon atoms present in diesel oil.

Choose an answer

10-15

11-15

12-15

13-15

___________ is not an acid:

Choose an answer

HCl

NH₃

H₂CO₃

H₂SO₄

Which is the substitution reaction in the following?

Choose an answer

Halogenation of alkenes

Halogenation of alkynes

Bromination of alkene

Halogenation of alkanes

Which of the following salt is soluble in water.

Choose an answer

NaCl

KCl

Na₂SO₄

All of them

Alkanes do not react in

Choose an answer

Diffused sunlight

Dark

Bright sunlight

None of these

Dehydration means removal of.

Choose an answer

Water

Halogen

Hydrogen

All above.

Amino acid are the building blocks of .

Choose an answer

Proteins

Carbohydrates

Vitamins

fats

Thermosphere lies beyond.

Choose an answer

Stratosphere

Troposphere

Mesosphere

Biosphere

Blonde hair contains compound of.

Choose an answer

Iron

Copper

titanium

Molybdenum

Industrial effluents are highly

Choose an answer

Toxic organic compounds.

Inorganic salts.

Heavy metals

All of them

PAN stands for

Choose an answer

Poly aniline nitrate

Proxy acetyl nitrate

Poly acetyl nitrite

Proxy acetyl nitrite

The color of Fe(OH)₂ ppt is.

Choose an answer

White

Brown

Muddy green

Blue

In the troposphere (lowest layer), the temperature decreases form 17°C to;

Choose an answer

-58°C

-93°C

-61°C

-49°C

More Classes

Other Links

Chemistry 10th Class English Medium Online Test 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