Question # 1

Product fo combustion is.

Choose an answer

C

O2

CO2

All of these

Brine water is mixture of

Choose an answer

Salt and sugar

Salt and acetic acid

Salt and water

Salt and alcohol

SI unit of mass is.

Choose an answer

Gram

mg

kg

all of above

The average life span of RBCs is.

Choose an answer

110 days

115 days

118 days

120 days

Chemical bond is O2 is.

Choose an answer

Ionic

Covalent

Metalic

None of these

Freezing of a liquid is a

Choose an answer

Chemical change

Chemicla property

Physical change

None of these

The contraction of the objects on cooling is due to.

Choose an answer

Reduction in size of the particles

Increase in size of the particles

Increase in inter particles distances

Decrease in inter particle distances

What is the season on 22 June in the southern hemisphere.

Choose an answer

Spring

Autumn

Sumer

Winter

Which of the following is used to kill germs.

Choose an answer

Acetic acid

Brine

Sanitizrsr

Soda

The numebr of electorns present in an atom s equal to number of.

Choose an answer

Nucleus

Neutrons

Proton

Atom

How many atoms orm one molecuel of chlorine.

Choose an answer

1

2

3

4

More Classes

Other Links

Science 7th Class Urdu 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