alleryGypsum and potash salt are formed mainly by:
AEvaporation
BCompression
CCombustion
DCondensation
Answer & Solution
Correct answer: A. Evaporation
1. These are sedimentary minerals.
2. Gypsum, potash salt and sodium salt are formed as a result of evaporation.
3. This happens especially in arid regions.
_Source: syllabus Social Science, 'Contemporary India II', Ch 5 'Minerals and Energy Resources'_
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