Question:
Zinc oxide is white in colour at room temperature. It appears yellow on heating because of :
Zinc oxide is white in colour at room temperature. It appears yellow on heating because of :
Updated On: Feb 28, 2025
- Frenkel defect
- Schottky defect
- Metal excess defect
- Metal deficiency defect
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
The correct option is (C) :Metal excess defect.
Was this answer helpful?
0
0
Top Questions on Oxides
- Which of the following is the correct order of acidic character of oxides of vanadium?
Given below are two statements:
Statement (I): An element in the extreme left of the periodic table forms acidic oxides.
Statement (II): Acid is formed during the reaction between water and oxide of a reactive element present in the extreme right of the periodic table.
In the light of the above statements, choose the correct answer from the options given below:- The most basic oxide
- Which of the following is the set of neutral oxides? (a) \( \text{Al}_2\text{O}_3, \text{Cl}_2\text{O}_7 \), b) \( \text{N}_2\text{O}, \text{CO} \)
- Among \(\text{CrO}\), \(\text{Cr}_2\text{O}_3\), and \(\text{CrO}_3\), the sum of spin-only magnetic moment values of basic and amphoteric oxides is ______ \( \times 10^{-2} \, \text{BM} \) (nearest integer).
Given: Atomic number of Cr is 24.
View More Questions
Questions Asked in CUET exam
- Find the ratio of de-Broglie wavelengths of deuteron having energy E and \(\alpha\)-particle having energy 2E :
- CUET (UG) - 2026
- Dual nature of radiation and matter
- If 36: 84 :: 42: X, then the value of X, is:
- CUET (UG) - 2025
- Ratio and Proportion
- The angles of elevation of the top of a tower from two points at a distance of 5 meters and 20 meters along the same straight line from the base of the tower, are complementary. Find the height of the tower.
- CUET (UG) - 2025
- Trigonometry
- Had he ________ the importance of the meeting, he would have made sure to attend.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world- CUET (UG) - 2025
- Sentence Arrangement
View More Questions