Import Question JSON

Current Question (ID: 18476)

Question:

$\text{Match the items in Column I with the items in Column II and assign the correct code.}$ $\text{Column I}$ \quad \text{Column II}$ $\text{A. Pendulum}$ \quad \text{1. Chrome steel}$ $\text{B. Malachite}$ \quad \text{2. Nickel Steel}$ $\text{C. Calamine}$ \quad \text{3. Na}_3\text{AlF}_6$ $\text{D. Cryolite}$ \quad \text{4. CuCO}_3 \cdot \text{Cu (OH)}_2$ $\quad \quad \quad \quad \text{5. ZnCO}_3$

Options:

1. $1 \quad 2 \quad 3 \quad 4$
2. $2 \quad 4 \quad 5 \quad 3$
3. $2 \quad 3 \quad 4 \quad 5$
4. $4 \quad 5 \quad 3 \quad 2$

Solution:

$\text{Hint: Malachite is an ore of copper.}$ $\text{A. Pendulum is made up of nickel steel.}$ $\text{B. Molecular Formula of malachite is CuCO}_3 \cdot \text{Cu (OH)}_2$ $\text{C. Molecular formula of calamine is ZnCO}_3$ $\text{D. Molecular formula of Cryolite is Na}_3\text{AlF}_6$

Import JSON File

Upload a JSON file containing LaTeX/MathJax formatted question, options, and solution.

Expected JSON Format:

{
  "question": "The mass of carbon present in 0.5 mole of $\\mathrm{K}_4[\\mathrm{Fe(CN)}_6]$ is:",
  "options": [
    {
      "id": 1,
      "text": "1.8 g"
    },
    {
      "id": 2,
      "text": "18 g"
    },
    {
      "id": 3,
      "text": "3.6 g"
    },
    {
      "id": 4,
      "text": "36 g"
    }
  ],
  "solution": "\\begin{align}\n&\\text{Hint: Mole concept}\\\\\n&1 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\text{ moles of carbon atom}\\\\\n&0.5 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\times 0.5 \\text{ mol} = 3 \\text{ mol}\\\\\n&1 \\text{ mol of carbon} = 12 \\text{ g}\\\\\n&3 \\text{ mol carbon} = 12 \\times 3 = 36 \\text{ g}\\\\\n&\\text{Hence, 36 g mass of carbon present in 0.5 mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6].\n\\end{align}",
  "correct_answer": 4
}