Question # 1

How many % age of nitrogen in urea fertilizers?

Choose an answer

40.6

45.6

46.6

50

|Which one is not an Arrhenius acid?

Choose an answer

HCl

H2SO₄

CO₂

HNO₃

pH of acid rain is:

Choose an answer

7-5

6-7

1-2

4-5

By which process alkenes are prepared from alcohols:

Choose an answer

Dehelogenation

Dehydrogenation

Dehydration

Dehydro-halogenation

Which one is the simplest sugar which can not be hydrolyzed?

Choose an answer

Glucose

Sucrose

Starch

Cellulose

The percentage of water in human body is.

Choose an answer

40%

50%

60%

70%

Carbon black is used in the manufacture of.

Choose an answer

Dry cleaning

Shoe polishes.

Fertilizer

None of these

According to Lewis concept a base is a substance which can donate.

Choose an answer

Proton

Electron pair

Neutron

Electron

Salt makes the water permanently hard.

Choose an answer

CaSO₄

Ca(HCO₃)₂

NaHCO₃

NaCO₃

How many percentage of protein is present in dry weight of animal?

Choose an answer

More then 20%

More then 30%

More then 40%

More then 50%

Alkanes give reaction only

Choose an answer

Addition

Decomposition

Substitution

Displacement

The formula of ozone is.

Choose an answer

O₂

O₃

O

CO

Which of the following is the hardest coal?

Choose an answer

Pear

Lignite

Bituminous

Anthracite

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