Chapter wise Test for MCQs Chemistry – 9th Class

Percentage of Argon in nature is____________

Atom is electrically______

Which one of the following pairs has the same mass?

Empirical formula of glucose is______

Which type of molecular ions are present in plasma?

The mass of one molecule of water is________

Which one is polyatomic molecule?

The most abundant element occurring in the oceans is_______

The ratio of carbon and oxygen in CO₂ ________

Which of the followings are tri-atomic molecule except?

Which one is a physical property?

Electronic configuration of Boron is______

Who described the concept of line spectrum in his atomic model?

Sir William Crooks performed experiments in a discharge tube at low pressure in_________

In 1897, who found electrons in atom?

Who performed first experiment to split atom?

Which one of the following consists of three subshells?

According to Rutherford’s atomic theory atom should produce_________

⁹₄Be + ⁴₂He ----> ¹²₆C+ ?

Which isotope is used for diagnosis of goiter?

Quantum means_________

Transition elements are:

Period number tells about the:

When we move from top to bottom in a group shielding effect is ____________.

When we move from left to right in a period atomic size is _____________

Normal elements are belonged to:

How many elements present in 6^th period?

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

Group number tells about the:

Moseley arranged the elements in his periodic table on the basis of:

Group-1 is also called:

Noble gases are non-reactive because they do not__________

The compounds formed by oppositely charges are known as _________

The electrons that pair up to form a chemical bond are called__________

Non-polar compounds are insoluble in_________

A molecule is formed, when energy of a system___________

A bond formed between two non-metals is expected to be_________

Which molecule contains a single covalent bond?

Covalent bond involves the _______

Which of the following is an example of polar covalent compound?

The boiling point of NaCl is __________

The melting point of NaCl is___________

Density of Gold is ______________

Blood pressure is measured by using __________

Rate of Diffusion of Gaese depends upon the ___________

Density of Liquid is expressed in ___________

Transition Temperature of Phosphorous is ______

01 Atm is equal to

Density of gas is expressed in

How many time hydrogen gas diffuse faster than oxygen gas?

Evaporation is the process ___________

When the pressure is increased to 6atm, the volume of the gas reduces:

Butter is example of solution_____________

Mist is an example of solution________

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

The compounds soluble in water are__________

Tyndall effect is due to___________

Ionic solids and polar covalent Compounds are soluble in________

Which one of the following will show negligible effect of temperature on its solubility?

Example of liquid in solid solution is__________

Which one of the following solvent is polar?

One molar solution contains one mole of Solute in Solvent volume_____

Oxidizing agent is a substance which___________

The oxidation number of chromium in K₂Cr₂O₇ is____________

In HCl, oxidation number of H is_________

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

In early nineteenth century photographers produce crude images using papers covered with_____

In galvanic cell cathode electrode carries__________

Sodium hydroxide is manufactured in__________

The oxidation number of oxygen is +2 in_________

Who invented first electrolytic cell?

Which cell is used in the manufacturing of sodium metal from fused NaCl?

Metals lose their electrons easily because________

Melting point of Sodium is__________

Which of the following is a yellow metal?

Which Metal belongs to Group-11?

Platinum alloyed with which metal are used as catalyst in automobiles as catalytic convertor?

Which group of elements has low ionization energies?

Which one of the following is brittle?

The Elements in which d-orbital is in the process of filling constitute a group of metals called________

Non-Metals are ____________ conductor of heat and electricity.

Which metal exists in liquid form at room temperature?

Which one is very reactive metal?