Chemistry class 9 most important short questions for examination 2026

Here are top 20+ important short questions of Chemistry of class 9 for examination of 2026

Q.1:- What is free radical ?

Q.2:- Justify the Rutherford atomic model has defects ?

Q.3:- Differentiate between shell and sub shell with examples ?

Q.4:-How oxygen forms an anion ?

Q.5:- Why salt dissolve in water ?

Q.6:- What are halogens.Define symbol and names of halogens ?

Q.7:- What is mean by Octet and duplet rule ?

Q.8:- Define solution and explain the major components of solution ?

Q.9:- Define oxidation and reduction reaction with example ?

Q.10:- Distinguish between Periods and groups ?

Q.11:- How kinetic molecular theory differentiate state of matter ?

Q.12:- Describe Boyle's law with example ?

Q.13:- Explain the similarity of chemical and physical properties of elements in the same family ?

Q.14:-Explain importance of gold and silver ?

Q.15:-Describe the dry cell with diagram ?

Q.16:- Define vapour pressure and justify that it is visible in a close system only ?

Q.17:- What are Alkaliyne earth metals ? Write names and symbols of Alkaline earth metals ?

Q.18:- Define with example one molar solution ?

Q.19:- Describe dipole-dipole forces ?

Q.20:- calculate the number of moles and number of molecules in 16g of H2Co2 ?

Q.21:- Write uses of adhesive material ?

Q.22:-Why alkaline earth metals show irregular melting and boiling points ?

Q.23:- Determine the location of families on periodic table ?

Q.24:-Why ionic compounds are solid ?

Q.25:- Explain the similarly of chemical and physical properties of protons in an item?

Source: 

SIBE HYDERABAD

SIBE MIRPURKHAS

SIBE SHAHEED BENAZIR ABAD