NUST SAMPLE CHEMISTRY QUESTIONS

National University of Sciences and Technology NUST very well-known and top rated engineering university of Pakistan. NUST was founded in 1991 with mission of providing quality education and invest in research. So far in a very short period of time they are able to earn very good name in world. NUST provides wide range of programs to accommodate students from every field which also includes engineering programs offered to DAE candidates. Due to their high standards their fee structure is also high, but for poor people they have scholarship facilities (Need based Scholarship). Minimum 60% marks are required to become eligible for NUST NET test. NUST NET 1 test is expected to be conduct in Dec 2019. Every year thousands of students apply for NUST NET, all candidates should work very hard to get admission in NUST.

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Topic:

Gases, Liquids & Solids

Question:

Which of the following properties is anisotropic?

Options:

  • Melting Point
  • Density
  • Electrical Conductivity
  • Geometrical Shape

Correct Option:

Electrical Conductivity

Explanation:

Physical properties that depend on the direction are called anisotropic properties. The physical properties of crystalline solids like refractive index, coefficient of thermal expansion, electrical and thermal conductivity, and cleavage plane are anisotropic in nature.

Topic:

Electrochemistry

Question:

The oxidation of oxygen in peroxides is?

Options:

  • +1
  • -1
  • +2
  • -2

Correct Option:

-1

Explanation:

Peroxides include hydrogen peroxide, H2O2. This is an electrically neutral compound and so the sum of the oxidation states of the hydrogen and oxygen must be zero.

Topic:

Basics of Chemistry

Question:

Non-stoichiometric compounds are formed by:

Options:

  • Only alkali metals
  • Only transition elements
  • Only noble gases
  • None of the above

Correct Option:

Only transition elements

Explanation:

Binary transition metal compounds, such as the oxides and sulfides, are usually written with idealized stoichiometry’s, such as FeO or FeS but these compounds are usually cation deficient and mostly never contain a 1:1 cation:anion ratio. Thus a substance such as ferrous oxide is actually a nonstoichiometric compound with a range of compositions.

SAMPLE PHYSICS QUESTION

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