MHT CET 2026 20th April Evening Shift | Solid State Question 1 | Chemistry

A metal crystallizes in a bcc unit cell having unit cell volume $2.5 \times 10^{-23}\ \text{cm}^3$. Find the number of unit cells in 18 g metal if the density of metal is $7.2\ \text{g cm}^{-3}$.

$1.0 \times 10^{23}$

$2.0 \times 10^{23}$

$0.5 \times 10^{23}$

$1.5 \times 10^{23}$

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

-0

A metal has a fcc structure if the edge length of unit cell is 200 pm, calculate the volume occupied by particles in a unit cell.

$2.08 \times 10^{-24}\ \text{cm}^3$

$5.92 \times 10^{-24}\ \text{cm}^3$

$8 \times 10^{-24}\ \text{cm}^3$

$3.14 \times 10^{-24}\ \text{cm}^3$

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

-0

Which of the following defects is observed in steel?

Substitutional impurity defect

Interstitial impurity defect

Vacancy defect

Schottky defect

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

-0

Which of the following nanomaterials has one dimension $< 100$ nm?

Quantum dots

Nanorings

Thin films

Nanowires

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Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

Inorganic Chemistry

Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry