Download App

Periodic Classification of Elements — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
The volatile impurities present in haematite are:
  • A
    Carbon and Nitrogen
  • B
    Oxygen and Nitrogen
  • C
     Helium and Oxygen
  • ✓
    Sulphur and Phosphorus
✓

Answer

Correct option: D.
Sulphur and Phosphorus
Sulphur and Phosphorus

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer." from Periodic Classification of Elements→Periodic Classification of Elements — all question types→Science STD 10 question papers→Tamilnadu Board STD 10 question papers→Tamilnadu Board question paper generator→

Similar questions

A student tests the pH of pure water using a pH paper. It shows a green colour. If a pH paper is after adding lemon juice to water, what colour will he observe?
→
In β – decay _____.
→
Which of the following are found in the elementary state in nature?
→
When powdered tobacco is taken through the nose, it is called ______.
→
Bauxite ore is purified by _____.
→
Mass of a body on moon is:
→
The distance between the two hydrogen nuclei of the molecule is 0.74 Å. So its covalent radius is _____.
→
In ______ process, solubility decreases with increase in temperature.
→
The membrane forming the surface layer of the ovum is called ______.
→
Newton’s first law of motion defines:
→