Guess Paper Chemistry 9th Class Important Short Questions List

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Board of intermediate and secondary education Lahore, Gujranwala, Faisalabad, Rawalpindi, Bahawalpur, Sahiwal, Dere Ghazi Khan, Sargodha Board short Questions list Chemistry of Secondary School 9th Class session 2015. Short Questions become most important in these days Examination of SSC, so prepared yourself in following these Short Questions that will be help you in your Examination and you will be taken good marks in Chemistry though Short Questions. This Short Question list specially design for Punjab Board students, butt Sindh Board and AJK board, Peshawar and other boards of Pakistan can also take benefits from these Short Questions.

Good Luck Students.

Define crystalline solid and give its two examples?

Define dipole interactions. How are they created?

9th Class Chemistry Short Questions

Define effective nuclear charge?

Define electro negativity?

Define electrochemistry?

Define electroplating. ?

Define empirical formula with example. ?

Define evaporation. Write the name of factors which effect evaporation?

Define freezing point. ?

A patient has goitre. How will it be detected?

A solution contains 50 g of sugar dissolved in 450 g of water. What is concentration of this solution?

Calculate the number of atoms in 10 grams of Aluminium (Al)

Calculate the number of moles In 84 gram carbon?

Can pure gold be used for making electrical wires?

Can you cool a gas by increasing it volume?

Define Allotropy?

Define aqueous solution?

Define atomic mass unit. Why is it needed?

Define Avogadro’s number?

Define Biochemistry?

Define boiling point?

Define Boyle’s rule?

Define chemical bond?

Define hydrogen bonding. ?

Define industrial chemistry?

Define intermolecular forces?

Define ionic bond?

Differentiate between strong and weak electrolytes. ?

Distinguish between amorphous solid and crystalline solid ?

Do you know any element having no neutrons in its atoms?

Explain the electronic concept of reduction?

Define Ionization energy?

Define morality and writes its unit?

Define nuclear fission reaction?

Define transition temperature. ?

Describe the process that takes place in the electrolysis of molten Nacl?

Differentiate between lone pair and bond pair of electrons. ?

Differentiate between molecular mass and formula mass?

Differentiate between Polar and non-polar covalent bond. ?

Differentiate between solute and solvent with examples of each?

Define organic chemistry?

Define oxidizing agent?

Define physical chemistry and biochemistry?

Define pressure and write its unit?

Define reducing agent. ?

Define relative atomic mass. ?

Give scope of Bio Chemistry

Give the applications of silver

Give the difference between electrolytic cell electrochemical cells

Give the electronic configuration of carbon atom

Give the example and formula of mass by volume percent

Give the physical properties of sodium and its uses

Give the Properties of dipole-dipole forces

Give the reasons: Soft drink is a mixture and water is a compound.

Give the trend of ionization energy in a period

Give two postulates of Bohr’s atomic theory

How can you define atomic radius?

Define solubility?

Define standard atmosphere pressure?

Define supersaturated solution?

Define the empirical formula an example?

Define the term allotropy with examples?

Explain the relationship between mass and mole of substance?

Explain the term absolute zero?

Explain the term oxidation on the basis of electronic concept with an example. ?

Explain the trend of electron affinity in periodic table?

Find out the mass of 3 moles of oxygen atoms?

For what purpose is u-235 used?

Give Characteristics of suspension

Give experimental verification of Charles’s law,

Give the characteristics of cathode rays

Give one example each of the use of radioactive isotope in medicine and radio therapy

Give physical properties of calcium and its uses

Give properties and uses of gold?

How can you differentiate between molecular formula and empirical formula?

How can you differentiate between organic and inorganic chemistry?

How can you justify the milk is colloid?

How non-metals are essential part of our body structure?

How oxygen reacts with group II A metals?

How to atoms follow octet rule?

How you can explain the solute-solvent interaction to prepare a NaCl solution?

In electroplating of chromium, which salt is used as an electrolyte?

Ionic compounds are solids justify.

Metals are good conductor of electricity. Why?

Name the by-products produced in Down’s cell

Oxidation and reduction proceed simultaneously. Explain with an example.

State the physical properties of metals

How can you prove that angular momentum is quantized?

How can you test that the given

How coordinate covalent bond is formed in the hydronium ion?

How electro negativity does differ from electron affinity?

How electroplating of tin on steel carried out?

How electroplating of zinc is carried out?

How is periodicity of properties dependent upon number of protons in an atom?

How many neutrons are present in C-12 and C-13?

State three reasons why do you think air is a mixture and water a compound.

They can cast a sharp shadow of an opaque object if placed in their path

What are alkali and alkaline-earth metals?

What are crystalline solids?

What are Halogens? Describe the position of halogen in periodic table?

What are intermolecular forces?

What are radioactive isotopes?

What are SI units of atomic radius?

What do you mean by malleability?

What do you mean by metallic character?

What do you mean by periodic function?

What do you mean by shielding effect?

What do you mean by volume?

What happens to cathode in the galvanic cell?

What is absolute temperature? Write its value

What is corrosion?

What is Dielectric Constant?

What are spontaneous and non-spontaneous reactions?

What are synthetic adhesives?

What are the Defects in Long Form of Periodic Table?

What are the defects of Rutherford atomic model?

What are the salient features of Rutherford’s atomic model?

What are transition metals?

What did you mean by the Thermal conductivity of the metallic compounds?

What do you mean by condensation?

What do you mean by groups and periods in the periodic table?

What is difference between Amorphous and crystalline solids?

What is difference between boiling point and evaporation?

What is difference between colloids and suspensions?

What is difference between diffusion and effusion?

What is difference between steel and stainless steel?

What is meant by groups and periods In the periodic table?

What is meant by magnesium ribbon and where it use?

What is meant by metric bond?

What is meant by mixture? Also give its one example

What is meant by Molar Solution? How it is prepared

What is meant by periodicity of properties?

What is meant by volume / volume %?

What is octet rule?

What is difference between valency and oxidation state?

What is different between steel a stainless steel?

What is diffusion, explain with an example?

What is electrolysis?

What is Lewis Structure Diagram?

What is Luther Meyer’s atomic volume curve?

What is meant by atomic radius?

What is meant by Brine?

What is meant by carbon-dating?

What is meant by chemical reactivity?

What is meant by colloid? Give two examples.

What is meant by condensation?

What is meant by dipole-dipole forces?

What is the difference between colloid and suspension?

What is the difference between corrosion and rusting?

What is the difference between Mendeleev’s periodic law and modern periodic law?

What is the major difference between a solution and a mixture?

What is the maximum capacity of a shell?

What is the relationship between evaporation and boiling point of liquid?

What is the relative atomic mass? How it is related to gram?

What is the oxidation number Carbon in Na2CO3?

 

What is relationship between electro positivity and ionization energy?

What is salt bridge?

What is second ionization energy and how is it represented?

What is the cause of polarity in covalent bond?

What is the definition of the element according to the Robert Boyle?

What is the principle of rusting?

What is the relationship between evaporation and boiling point of liquid?

What is the relative atomic mass? How it is related to gram?

What is the significance of the symbol of an element?

What is the trend of variation it densities of alkali metals?

What is the unit of concentration?

Which metal is used for metal work?

What is the significance of the symbol of an element?

What is the trend of variation it densities of alkali metals?

What is the unit of concentration?

Which metal is used for metal work?

What is the nature of charge on cathode rays?

What is the nature of electrode used in electrolyzing of chromium?

Which one of the following solutions is more concentrated: one molar or three molar

Which solution is used as electrolyte in Nelson’s cell?

Why a covalent bond becomes polar?

Why a solution is considered mixture?

Why an iron grill is pointed frequently?

Why and how elements arranged in a period?

Why are liquids mobile?

Which metal is used for metal work?

Which one of the following solutions is more concentrated: one molar or three molar

Which solution is used as electrolyte in Nelson’s cell?

Why a covalent bond becomes polar?

Why a solution is considered mixture?

Why an iron grill is pointed frequently?

What is triple covalent bond explain with an example?

What type of covalent bond is formed in nitrogen molecule?

What type of elements from metallic bond?

What you know about Epoxy adhesives?

When does an electron emit or absorb energy?

Which element has the highest electro negativity?

Which form of sculpture exists at room temperature?

Which is lighter than aluminium of gold?

Why and how elements arranged in a period?

Why are liquids mobile?

Why silver and gold are least reactive?

Why the alloys are considered solutions?

Why the gases are compressible?

Why the ionization energy of Na more than K?

Why the size of atom decreases in a period?

Why valency of chlorine is 1?

Why we stir paints thoroughly before using?

Write down any three isotopes of uranium

Why magnesium is harder than sodium?

Why noble gases are not reactive?

Why are the colloids quite stable?

Why are the densities of gases lower than that of liquids?

Why calcium is more electropositive tan to magnesium?

Why chlorine can accept only 1 electron?

Why do atoms react?

Why does ice float on water?

Why does not the suspension form homogeneous mixture?

Why does sodium forma chemical bound with chloride?

Why have water polar covalent bonds?

Why ionic compounds are easily soluble in water?

Why ionization energy Na is less than Mg?

Why is HF a weak acid?

Why valency of chlorine is 1?

Why do you mean by malleability?

Why does ice float on water?

Why does not the suspension form homogeneous mixture?

Why does sodium forma chemical bound with chloride?

Why have water polar covalent bonds?

Why ionic compounds are easily soluble in water?

Why ionization energy Na is less than Mg?

Why is HF a weak acid?

Why platinum is used for making Jewellery?

Why reactivity of metals increase drown the group?

Why platinum is used for making Jewellery?

Why reactivity of metals increase drown the group?

Why silver and gold are least reactive?

Why the alloys are considered solutions?

Write down any two properties of canal rays

Write down electronic configuration of chlorine

Write down the names of elements of group 1 with their symbols?

Write two chemical properties of metals and non-metals

Why magnesium is harder than sodium?

Why noble gases are not reactive?

One Comment

  1. I LIKE IT VERY MUCH.GOOD EFFORT FOR STUDENTS

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