engineering recuitment NCRTC Junior Maintainer Mock Test Series 2025 Fitter Metals and Properties

What products are formed when ferrous sulfate crystals are heated in a test tube?

1

Ferric oxide + water + sulfur trioxide

2

Ferric oxide + water + sulfur dioxide + sulfur trioxide

3

Ferric oxide + sulfur dioxide

4

Ferric oxide + sulfur dioxide + water

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