Basic Concepts of Phase Diagrams MCQ’s

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This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Basic Concepts of Phase Diagrams”.

1. At certain temperature the maximum concentration of solute atoms that dissolve in solvent to form solid solution, this condition is called __________
a) Solubility
b) Formation of phase
c) Solubility limit
d) Formation of super saturated solution

2. Analyze the following graph and the following question regarding solubility of sugar in water.

materials-science-questions-answers-quiz-q3

a) Decrease with increase in temperature
b) Increase with increase in temperature
c) Increase with decrease in temperature
d) Remains constant with increase or decrease in temperature

3. Which of the following is/are the components of a brass alloy?
a) Brass, Copper, Zinc
b) Copper only
c) Zinc only
d) Both Copper and Zinc

4. What is a phase?
a) The substance which is physically distinct
b) The substance which is homogenous chemically
c) The substance which is both physically distinct and chemically homogenous
d) The substance which is both physically distinct and chemically heterogeneous

5. Which of the following portion(s) of the given diagram contains liquid in it?

materials-science-questions-answers-quiz-q5

a) 2, 3
b) 2, 4
c) 3, 4
d) 2, 3, 4

6. Which of the following portion(s) of the given diagram has a freezing section?

materials-science-questions-answers-quiz-q5

a) 1
b) 2
c) 3
d) 4

7. Which of the following portion(s) of the given diagram contains only gas?

materials-science-questions-answers-quiz-q5

a) 1
b) 4
c) 5
d) 4, 5

8. Which of the following portion(s) of given diagrams contains only pure substances?

materials-science-questions-answers-quiz-q5

a) 1, 3, 5
b) 1, 5
c) only 1
d) 3, 5

9. Which of the following portion(s) of the given graph has a boiling point?

materials-science-questions-answers-quiz-q5

a) 2
b) 3
c) 4
d) 5

10. Which of the following section(s) given graph in which we use (Specific Heat) * (Mass) * (Change in temperature) to calculate the energy change?

materials-science-questions-answers-quiz-q5

a) 2
b) 1, 3
c) 1, 3, 5
d) 2, 3, 5

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