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MICROBIOLOGY (2024/2025) CHEMICAL PRINCIPLES UPDATED COMPLETE Q&A GUARANTEED 100% PASS
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- BIO 211
MICROBIOLOGY (2024/2025) CHEMICAL PRINCIPLES UPDATED COMPLETE Q&A GUARANTEED 100% PASS
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MICROBIOLOGY (2024/2025) CHEMICAL PRINCIPLESUPDATED COMPLETE Q&A GUARANTEED 100% PASS
2.1 Multiple Choice Questions’
1) Which of the following statements about the atom C is FALSE?
A) It has 6 protons in its nucleus.
B) It has 12 neutrons in its nucleus.
C) It has 6 electrons orbiting the nucleus.
D) Its atomic number is 6.
E) Its atomic weight is 12.
Answer: B
Section: 2.1
Bloom’s Taxonomy: Comprehension
Learning Outcome: 2.1
Global Outcome: 2
2) Table 2.1
OCH
Using the information in Table 2.1, calculate the molecular weight of ethanol, C2H5OH.
A) 96
B) 46
C) 34
D) 33
E) The answer cannot be determined.
Answer: B
Section: 2.1
,Bloom’s Taxonomy: Application
Learning Outcome: 2.1
Global Outcome: 2
3) Antacids neutralize acid by the following reaction. Identify the salt in the following equation:
Mg(OH)2 + 2HCl → MgCl2 + H2O
A) Mg(OH)2
B) HCl
C) MgCl2
D) H2O
E) None of the answers is correct.
Answer: C
Section: 2.4
Bloom’s Taxonomy: Comprehension
Learning Outcome: 2.5
4) Which of the following statements is FALSE?
A) Salts readily dissolve in water.
B) Water molecules are formed by hydrolysis.
C) Water freezes from the top down.
D) Water is formed as a part of a dehydration synthesis reaction.
E) Water is a polar molecule.
Answer: B
Section: 2.4
Bloom’s Taxonomy: Knowledge
Learning Outcome: 2.4
5) Which of the following is the type of bond holding K+ and I– ions in KI?
A) ionic bond
, B) covalent bond
C) hydrogen bond
Answer: A
Section: 2.2
Bloom’s Taxonomy: Knowledge
Learning Outcome: 2.2
6) Which of the following is the type of bond between molecules of water in a beaker of water?
A) ionic bond
B) covalent bond
C) hydrogen bond
Answer: C
Section: 2.2
Bloom’s Taxonomy: Comprehension
Learning Outcome: 2.2
Global Outcome: 7
7) What is the type of bond holding hydrogen and oxygen atoms together in a single H2O molecule?
A) ionic bond
B) covalent bond
C) hydrogen bond
Answer: B
Section: 2.2
Bloom’s Taxonomy: Knowledge
Learning Outcome: 2.2
8) Identify the following reaction: Glucose + Fructose → Sucrose + Water
A) dehydration synthesis reaction
B) hydrolysis reaction
C) exchange reaction
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