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Class 9 Chemistry Chapter 1 MCQs Notes
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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?
3: The most abundant element occurring in the oceans is:
4: Which one of the following elements is found in most abundance in the Earth’s crust?
5: The third abundant gas found in the Earth’s atmosphere is:
(a) carbon monoxide
6: Which one of the following molecules is not tri-atomic?
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:
(b) 98 amu
(c) 9.8 g
(d) 9.8 amu
9: How many number of moles are equivalent to 8 grams of Co2?
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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