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CSS - PMS - CCE - PCS - Everyday Science MCQs

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CSS - PMS - CCE - PCS - Everyday Science

CSS - PMS - CCE - PCS - Everyday Science MCQs With Answers

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CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 0.5 mol of H2O if molar mass is 18 g/mol?
A. 11 g
B. 9 g
C. 10 g
D. 8 g
Correct Answer: B
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 5 mol of N2 if molar mass is 28 g/mol?
A. 139 g
B. 140 g
C. 141 g
D. 142 g
Correct Answer: B
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 3 mol of N2 if molar mass is 28 g/mol?
A. 84 g
B. 83 g
C. 85 g
D. 86 g
Correct Answer: A
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 2 mol of N2 if molar mass is 28 g/mol?
A. 56 g
B. 55 g
C. 58 g
D. 57 g
Correct Answer: A
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 1 mol of N2 if molar mass is 28 g/mol?
A. 30 g
B. 27 g
C. 29 g
D. 28 g
Correct Answer: D
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 0.5 mol of N2 if molar mass is 28 g/mol?
A. 13 g
B. 14 g
C. 16 g
D. 15 g
Correct Answer: B
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 5 mol of O2 if molar mass is 32 g/mol?
A. 162 g
B. 161 g
C. 159 g
D. 160 g
Correct Answer: D
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 3 mol of O2 if molar mass is 32 g/mol?
A. 95 g
B. 97 g
C. 96 g
D. 98 g
Correct Answer: C
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 2 mol of O2 if molar mass is 32 g/mol?
A. 63 g
B. 65 g
C. 64 g
D. 66 g
Correct Answer: C
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 1 mol of O2 if molar mass is 32 g/mol?
A. 33 g
B. 31 g
C. 34 g
D. 32 g
Correct Answer: D
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 0.5 mol of O2 if molar mass is 32 g/mol?
A. 15 g
B. 18 g
C. 17 g
D. 16 g
Correct Answer: D
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 5 mol of H2 if molar mass is 2 g/mol?
A. 10 g
B. 9 g
C. 11 g
D. 12 g
Correct Answer: A
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 3 mol of H2 if molar mass is 2 g/mol?
A. 7 g
B. 8 g
C. 5 g
D. 6 g
Correct Answer: D
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 2 mol of H2 if molar mass is 2 g/mol?
A. 4 g
B. 5 g
C. 6 g
D. 3 g
Correct Answer: A
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 1 mol of H2 if molar mass is 2 g/mol?
A. 4 g
B. 2 g
C. 1 g
D. 3 g
Correct Answer: B
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
What mass corresponds to 0.5 mol of H2 if molar mass is 2 g/mol?
A. 2 g
B. 3 g
C. 0 g
D. 1 g
Correct Answer: D
Mass=nM.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
An isotope has atomic number 30 and mass number 32. Number of neutrons is:
A. 3
B. 1
C. 4
D. 2
Correct Answer: D
N=A−Z.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
An isotope has atomic number 29 and mass number 35. Number of neutrons is:
A. 5
B. 6
C. 8
D. 7
Correct Answer: B
N=A−Z.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
An isotope has atomic number 28 and mass number 33. Number of neutrons is:
A. 6
B. 5
C. 7
D. 4
Correct Answer: B
N=A−Z.
CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure
An isotope has atomic number 27 and mass number 31. Number of neutrons is:
A. 3
B. 4
C. 5
D. 6
Correct Answer: B
N=A−Z.
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