Chemical Process
Soaps remove dirt by

Increasing the surface tension
None of these
Decreasing wettability
Supplying hydrophyllic group

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Chemical Process
Fusel oil is a/an

Essential oil
None of these
Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses)
Extract from medicinal herbs

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Chemical Process
Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Still in development stage (by employing fluidised bed technique)
A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
A slow reaction
All of these

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