Question:
Which mineral is known as 'Brown diamond'?
Which mineral is known as 'Brown diamond'?
Show Hint
It's a type of coal.
Updated On: Feb 11, 2025
- Manganese
- Mica
- Iron
- Lignite
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Lignite is a type of coal with a brownish hue.
Was this answer helpful?
0
0
Top Questions on Mineral Resource Classification
- Write the names of two important Manganese producing states of India.
- UP Board XII - 2025
- Geography
- Mineral Resource Classification
- Write the names of two metallic minerals.
- UP Board XII - 2025
- Geography
- Mineral Resource Classification
- Describe the contribution of minerals in the economic development of the country.
- UP Board XII - 2025
- Geography
- Mineral Resource Classification
- Describe the production and distribution of manganese ore in India.
- UP Board XII - 2025
- Geography
- Mineral Resource Classification
Questions Asked in UP Board XII exam
- If \(A = \begin{bmatrix} 3 & 1 \\ -1 & 2 \end{bmatrix}\), then show that \(A^2 - 5A + 7I = O\). Using this, obtain \(A^{-1}\).
- UP Board XII - 2025
- Matrices
- If \( y = \sin^{-1} x \), then prove that \( (1 - x^2) \frac{d^2y}{dx^2} - x \frac{dy}{dx} = 0 \).
- UP Board XII - 2025
- Differential Equations
- If \(A = \begin{bmatrix} 1 & 3 & 3 \\ 1 & 4 & 3 \\ 1 & 3 & 4 \end{bmatrix}\), then find \(A^{-1}\).
- UP Board XII - 2025
- Matrices
- Solve: \( (1 + x^2)\frac{dy}{dx} + 2xy - 4x^2 = 0 \).
- UP Board XII - 2025
- Differential Equations
- Prove that \(\int_0^\pi \sqrt{\frac{1+\cos 2x}{2}} \, dx = 2\).
- UP Board XII - 2025
- Calculus
View More Questions