Import Question JSON

Current Question (ID: 11916)

Question:

Which of the following feature is not associated with diatoms?

Options:

1. Chief producers of Earth
2. Form diatomaceous earth which has gritty soil
3. Gritty soil is used in filtration
4. Gritty soil is used in polishing

Solution:

Diatoms are microscopic algae that are important primary producers in aquatic ecosystems, but they are not the chief producers of the Earth as a whole. They are known for their unique cell walls made of silica, which contribute to the formation of diatomaceous earth, a type of gritty soil. Diatomaceous earth is used in various applications, including filtration and polishing due to its abrasive properties. Therefore, options (2), (3), and (4) are correct features associated with diatoms. Option (1), however, is not correct, as diatoms are not the chief producers of the Earth. Primary producers on Earth include a wide range of plants, algae, and photosynthetic bacteria in different ecosystems.

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
}