Chemical Changes and Reactions Exe-2C MCQs Chemistry Class-9 ICSE Selina Publishers Solutions Chapter-2. Step By Step ICSE Selina Concise Solutions of Chapter-2 Chemical Changes and Reactions with All Exercise including MCQs, Very Short Answer Type, Short Answer Type, Long Answer Type, Numerical and Structured/Application Questions Solved . Visit official Website CISCE for detail information about ICSE Board Class-9.
Chemical Changes and Reactions Exe-2C MCQs Chemistry Class-9 ICSE Concise Selina Publishers
| Board | ICSE |
| Publications | Selina Publication |
| Subject | Chemistry |
| Class | 9th |
| Chapter-2 | Chemical Changes and Reactions |
| Book Name | Concise |
| Topics | Solution of Exercise – (2C) MCQs Answer Type |
| Academic Session | 2023-2024 |
A. Exercise – (2C) MCQs Answer Type
Chemical Changes and Reactions Class-9 Chemistry Concise Solutions
Page 33
Question 1. Choose the correct answer from the options given below.
1. Which of the of following is not a chemical change.
(i) Rusting of iron
(ii) Iron is magnetised
(iii) Potassium is dissolved in water
(iv) Magnesium wire is burnt
Answer:
(ii) Iron is magnetised
2. Heating of zinc nitrate is a …………… reaction.
(i) Displacement
(ii) Combination
(iii) Decomposition
(iv) Redox
Answer:
(iii) Decomposition reaction
3. Burning of a metal is an example of :
(i) Decomposition reaction
(ii) Combination reaction between an element and a compound
(iii) Direct combination reaction between two elements
(iv) Displacement reaction
Answer:
(iii) Direct combination reaction between two elements
4. Formation of white precipitate on mixing sodium chloride solution and silver nitrate solution is an example of …………… reaction.
(i) Combination
(ii) Decomposition
(iii) Displacement
(iv) Double decomposition
Answer:
(iv) Double decomposition
5. A brown substance A on heating in air turns black forming another substance B. Substances A and B are:
(i) A = Fe and B = FeO
(ii) A = Zn and B = ZnO
(iii) A = Cu and B = CuO
(iv) A = Pb and B = PbO
Answer:
(iii) A = Cu and B = CuO
6. Which one of these is a chemical change?
(i) Water changes to steam
(ii) Dissolution of sugar in water
(iii) Combustion of LPG
(iv) Liquefying ammonia
Answer:
(iii) Combustion of LPG
7. The reaction of neutralization is a :
(i) Displacement reaction
(ii) Double decomposition
(iii) Combination reaction
(iv) Combination reaction between two compounds
Answer:
(ii) Double decomposition
8. FeS + H2SO4 ⟶ FeSO4 + H2S is an example of:
(i) Displacement reaction
(ii) Double decomposition reaction
(iii) Decomposition reaction
(iv) Combination reaction
Answer:
(ii) Double decomposition reaction
— : End of Chemical Changes and Reactions Exe-2C MCQs Answer Class-9 ICSE Chemistry Solutions :–
Return to Return to Concise Selina ICSE Chemistry Class-9
Thanks
Please share with your friends
