Chapter wise Test for MCQs Chemistry – 9th Class

In which one of the following pairs has the same number of ions?

How many molecules of water will be present in half mole of water?

Example of covalent compound is _________

Which one of the following is molar mass of O₂ in amu?

Valency of carbon is___________

Which one of following is an example of ionic compound?

The mass of one molecule of water is________

Which one of the following can be separated by physical-means?

Valency of oxygen is___________

Brass is a mixture of___________

1-gram atom of carbon contains how many moles is_________

The percentage of pure 238/92U is found in nature_______

How many electrons can be accommodated in p-orbital?

Which isotope is used for diagnosis of goiter?

John Dalton put forward his atomic theory in the beginning of________

The isotope C-12 is present in abundance of_____________

Rutherford used a gold foil in his experiment, which has a thickness of___________

Which radio isotope is used for the diagnosis of tumor in the body?

The number of electrons that a shell can accommodate is given by formula.

Which one of the following consists of three subshells?

The p subshell has_________

How many periods are present in the modern periodic table?

Actinides are belonged to period:

Groups-17 elements contains electrons in their outer most shell:

The distance between the Nuclei of two carbon atoms in its elements form is ___________

Unit of electron affinity is ___________

Elements are classified into four blocks depending upon the type of the

4^th and 5^th period of the long form of periodic table are called

How many electrons present in the valence shell of group-1 elements?

The elements or group 3 to 12 are called:

The horizontal lines present in the periodic table are called ________

Noble gases are non-reactive because they do not__________

The electro-negativity value of atoms is given by which scale?

Which type of attractive forces are present in ionic compounds?

Identify which pair has polar covalent bonds________

Which pair of the molecules has same type of covalent bonds?

Dative covalent bond is also known as________

Octet rule is __________

If the difference of electronegativities between two elements is less than 1.7, the bond will be______

During the formation of ionic bond, heat____________

Covalent bond involves the _______

A bond pair in covalent molecules usually has_________

In which factor evaporation depends

Which one is used to measure atmospheric pressure?

Blood pressure is measured by using __________

At 0°C temperature the vapour pressure of diethyl ether is __________

A Vehicle Tire gets punctured is the example of_______

01 Atm is equal to

Which state of matter has fixed shape and volume?

Body Temperature is measured in __________

Density of Aluminum is ______________

How many time hydrogen gas diffuse faster than oxygen gas?

Molarity is the number of moles of solute dissolved in____________

Which one of the following is heterogeneous mixture?

Ionic solids and polar covalent Compounds are soluble in________

Brass and Bronze are considered as_________

Brass is a solid solution of Zn and__________

Which one is a suspension?

Which one of the following is a liquid in solid solution?

Example of solid in solid solution is__________

Butter is example of solution_____________

If 10cm³ of alcohol is dissolved in 100g of water, it is called______

Example of electrolytic cell is___________

In order to give longer life, the containers of iron are coated by_________

Which of the following is a non-electrolyte?

During electrolysis of sodium chloride in aqueous state, which gas is evolved from the cathode electrode?

During the formation of water from hydrogen and oxygen, which of the: following does not occur?

Rusting occurs on___________

The electrolytic cell is made up of____________

The oxidation number of sulphur in H₂SO₄ is_______

The most common example of corrosion is________

Which is produced as a result of Redox reaction?

Which one the following is the lightest and floats on water?

Boiling point of Calcium is________

Sodium is extremely reactive metal, but it does not react with______

Which one is a least reactive metal?

The flame Color of Calcium is________

Non-metals are generally soft, but which one of the following is extremely hard?

Which metal exists in liquid form at room temperature?

Density of Calcium is___________

• 0.98 gcm^-3
• 1.74 gcm^-3
• 1.55 gcm^-3
• 1.60 gcm^-3

Which Option is Correct ?

Density of magnesium is______

• 0.98 gcm^-3
• 1.74 gcm^-3
• 1.55 gcm^-3
• 1.60 gcm^-3

Which Option is Correct ?

Which one of the following metals burn with a brick red flame when heated in air?

Boiling point of Sodium is___________