Question # 1

Which one contains double covalent bound?

Choose an answer

Pentane

Ethylene

Acetylene

All

Which disease cause when humans use water of industrial effluents.

Choose an answer

Cancer

Asthma

Jaundice

cholera

conjugate base of HCl is:

Choose an answer

HCl^-

CH

Cl

NH₃

General formula of alcohols is:

Choose an answer

RCHO

ROH

O= R - C -OH

O = R - C- R

Infrared radiations emitted by the Earth are absorbed by.

Choose an answer

CO₂ and H₂O

N₂ and O₂

CO₂and N₂

O₂and CO₂

Alkanes are least reactive compounds because they are.

Choose an answer

Saturated hydrocarbons.

Unsaturated hydrocarbons.

Both a and b

None of the above.

Pentahydroxy ketone is called as:

Choose an answer

Glucose

Fructose

Starch

Sucross

Alkalis react with ammonium salt to liberate.

Choose an answer

SO₂

CO₂

NH₃

H₂

In hydrogenation of vegetable oil catalyst employed is.

Choose an answer

Ni

Pt

ZnO

Cr₂O₃

Open chain compounds are also called:

Choose an answer

aliphatic compounds

alicyclic compounds

aromatic compounds

hydrocarbons

Methyl butanoate smell like.

Choose an answer

Apple

Mange

Lemon

Grapes

Incinerator reduces solid waste into .

Choose an answer

Ash

Flue gas

Heat

All of them

Which ion cause water hardness?

Choose an answer

Al²

Mg²

Fe²

Na²

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