Question # 1

Metal can form ions carrying charges:

Choose an answer

Uni-positive

Di-positive

Tri-Positive

All of them

Sodium is exterminate reactive metal, but it does not react with:

Choose an answer

Hydrogen

Nitrogen

Sulphur

Phosphorus

Nelson's cells used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?

Choose an answer

CI₂

H₂

O₃

O₂

H8+ _ Cl8- , the charge on H is.

Choose an answer

_

+

Neutral

Nil

The equation of relationship between atomic number (Z) and mass number (A) is

Choose an answer

A = Z + N

A = Z - n

A = Z

A =2Z + n

Gold can only be dissolved by:

Choose an answer

Acids

Bases

Aqua Regia

Nil

A solution whose molarity is known is called:

Choose an answer

Dilute solution

Concentrated solution

Saturated solution

Molar solution

Which one metal is least reactive?

Choose an answer

K

Fe

Cu

AI

NaOH is prepared by ____________ of NaCL (aqueous).

Choose an answer

Electrolysis

Decomposition

A & B

Nil

The value of Avogadro 'no is:

Choose an answer

6.023×1024

6.023×1026

6.023×1023

6.023×1020

Half life of C-14 ________________ years.

Choose an answer

5800

5700

5600

5500

Alpha particles are double charged.

Choose an answer

Negative

Positive

Can be both

Nil

In volvox asexual cell produced:

Choose an answer

Daughter colonies

Sperm

Egg

All

More Classes

Other Links

Chemistry 9th 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