Language of Chemistry Exe-1C MCQs Chemistry Class-9 ICSE Selina Publishers Solutions Chapter-1. Step By Step ICSE Selina Concise Solutions of Chapter-1 Language of Chemistry 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.
Language of Chemistry Exe-1C MCQs Chemistry Class-9 ICSE Concise Selina Publishers
| Board | ICSE |
| Publications | Selina Publication |
| Subject | Chemistry |
| Class | 9th |
| Chapter-1 | Language of Chemistry |
| Book Name | Concise |
| Topics | Solution of Exercise – (1C) MCQs |
| Academic Session | 2023-2024 |
A. Exercise – (1C) MCQs
Language of Chemistry Class-9 Chemistry Concise Solutions
Page 19
Question 1. Choose the correct answer from the options given below.
1. Modern atomic symbols are based on the method proposed by
(i) Bohr
(ii) Dalton
(iii) Berzelius
(iv) Alchemist
Answer:
(iii) Berzelius
2. The number of carbon atoms in a hydrogen carbonate radical is
(i) One
(ii) Two
(iii) Three
(iv) Four
Answer:
(i) One
3. The formula of iron (III) sulphate is
(i) Fe3SO4
(ii) Fe (SO4)3
(iii) Fe2 (SO4)3
(iv) FeSO4
Answer:
(iii) Fe2 (SO4)3
4. In water, the hydrogen-to-oxygen mass ratio is
(i) 1: 8
(ii) 1: 16
(iii) 1: 32
(iv) 1: 64
Answer:
(i) 1: 8
5. The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
(i) CaHCO3
(ii) Ca (HCO3)2
(iii). Ca2HCO3
(iv). Ca (HCO3)3
Answer:
(ii) Ca (HCO3)2
6. The correct atomic symbols for carbon, calcium, copper and cadmium respectively are:
(i) Ca, C, Cu, Cd
(ii) Ca, C, CO, Cd
(iii) C, Ca, Cu, Cd
(iv) Ca, Cl, Co, Cd
Answer:
(iii) C, Ca, Cu, Cd
7. Hydrargyrum is the Latin name of:
(i) Gold
(ii) Silver
(iii) Mercury
(iv) Platinum
Answer:
(iii) Mercury
8. In Zn3(PO4)2, the valency of Zn and Phosphate respectively is:
(i) 3 and 2
(ii) 2 and 6
(iii) 4 and 6
(iv) 2 and 3
Answer:
(iv) 2 and 3
9. In Ca3(PO4)x, the value of x is:
(i) 1
(ii) 2
(iii) 3
(iv) 4
Answer:
(ii) 2
10. In C2H4, the valency of carbon is:
(i) 2
(ii) 1
(iii) 4
(iv) 3
Answer:
(iii) 4
— : End of Language of Chemistry Exe-1C MCQs Answer Class-9 ICSE Chemistry Solutions :–
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