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Class 9 Chemistry Chapter 1 MCQs Notes
| Post Topic | Solved MCQs |
| Book Code | Chemistry |
| Class | 9th Class |
| Chapter/Full | Full Book / All Chapters |
| Board | Punjab Board |
Class 9 Chemistry Chapter 1 Fundamentals of Chemistry MCQs Notes
1: Industrial chemistry deals with the manufacturing of compounds:
(a) in the laboratory
(b) on micro-scale
(c) on commercial scale
(d) on economic scale
2: Which one of the following compounds can be separated by physical means?
(a) mixture
(b) element
(c) compound
(d) radical
3: The most abundant element occurring in the oceans is:
(a) oxygen
(b) hydrogen
(c) nitrogen
(d) silicon
4: Which one of the following elements is found in most abundance in the Earth’s crust?
(a) oxygen
(b) aluminum
(c) silicon
(d) iron
5: The third abundant gas found in the Earth’s atmosphere is:
(a) carbon monoxide
(b) oxygen
(c) nitrogen
(d) argon
6: Which one of the following molecules is not tri-atomic?
(a) H2
(b) O3
(c) H2O
(d) CO2
7: The mass of one molecule of water is:
(a) 18 amu
(b) 18 g
(c) 18 mg
(d) 18 kg
8: The molar mass of H2SO4 is:
(a)98g
(b) 98 amu
(c) 9.8 g
(d) 9.8 amu
9: How many number of moles are equivalent to 8 grams of Co2?
(a) 0.15
(b) 0.18
(c) 0.21
(d) 0.24
10: In which one of the following pairs has the same number of ions?
(a) 1 mole of NaCl and 1 mole of MgCl2
(b) 1/2 mole of NaCl and 1/2 mole of MgCl2
(c) 1/2 mole of NaCl and 1/3 mole of MgCl2
(d) 1/3 mole of NaCl and 1/2 mole of MgCl2
11: Which one of the following pairs has the same mass?
(a) 1 mole of CO and 1 mole of N2
(b) 1 mole of CO and 1 mole of CO2
(c) 1 mole of O and 1 mole of N2
(d) 1 mole of O and 1 mole of Co2
Chemistry Chapter 1 MCQs PDF Download
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