Question:medium

Blue powder is the byproduct of Zinc extractions and it contains mainly:

Show Hint

Blue powder forms due to condensation and oxidation of zinc vapours.

Updated On: Jun 29, 2026

Mixture of zinc and zinc oxide
Mixture of zinc and zinc sulphide
Mixture of zinc oxide and zinc hydride
Mixture of zinc sulphide and zinc oxide

Show Solution

The Correct Option is A

Solution and Explanation

Was this answer helpful?

0

Top Questions on Fracture Mechanics

The sensitivity of fracture of brittle solids to surface conditions is termed as the
- TS PGECET - 2026
- Metallurgical Engineering
- Fracture Mechanics
View Solution
The law which states that fracture occurs when the resolved normal stress on a plane reaches a critical value is
- TS PGECET - 2026
- Metallurgical Engineering
- Fracture Mechanics
View Solution
Brittle fractures occur in a trans granular manner. If the grain boundaries contain a film of brittle constituent, the fracture will occur
- TS PGECET - 2026
- Metallurgical Engineering
- Fracture Mechanics
View Solution
The analytical treatment of ductile fracture using a model of cylindrical holes with initial radius (b) and average spacing (L) was proposed by
- TS PGECET - 2026
- Metallurgical Engineering
- Fracture Mechanics
View Solution
Want to practice more? Try solving extra ecology questions todayView All Questions

Questions Asked in TS PGECET exam

The Eigenvalues of \(3\times 3\) real matrix A are 1, 2, 3 then \(A^{-1} =\)

TS PGECET - 2026
Linear Algebra

Let \(A=\begin{bmatrix} 1 & 1 & 0 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}\). If \(u_1\) and \(u_2\) are column matrices such that \(Au_1 = \begin{bmatrix} 2 \\ 1 \\ 0 \end{bmatrix}\) and \(Au_2 = \begin{bmatrix} 1 \\ 0 \\ 1 \end{bmatrix}\), then \(u_1 - u_2\) is

TS PGECET - 2026
Matrices

Let \(a,b\) and \(c\) be real numbers. Suppose there exist real numbers \(x,y,z\) which are not all zero such that the system of equations \(x = cy + bz\), \(y = cx + az\) and \(z = bx + ay\) has a non-zero solution then \(\left(a+b+c\right)^2 =\)

TS PGECET - 2026
Determinants

For the function \(f(x)=\log x\), the number \(c\) strictly between \(e^2\) and \(e^3\) that satisfies \(f'(c)=\dfrac{f(e^3)-f(e^2)}{e^3-e^2}\) is

TS PGECET - 2026
Calculus