Download App

Periodic Classification of Elements — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
On heating in air, iron forms ______.
✓

Answer

Fe3O4

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 "Fill in the blank" 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

One mole of any gas occupies ______ or _____ at S.T.P.
→
The average energy released in each fission process in about _____.
→
The most commonly used alkali for preparation of soap is ______.
→
In _____ process, solubility increases with ______ in temperature.
→
Autonomous nervous system comprises _______ and _____.
→
The _______ grains are produced in the anther within the pollen sac.
→
The plasma membrane of an ovum is surrounded by inner thin _____ and an outer thick ______.
→
The reaction involving organic compounds proceed at ______ rates.
→
_____ is used to fix the magnitude of the current through a circuit.
→
_____ is the amount of heat required to raise the temperature of ____ water through 1 kelvin.
→