NCERT Important Questions Class 10 Science
CBSE 2022-2023.
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
NCERT book extra.
Write the chemical name and formula of gypsum. What happens when gypsum is heated at 373 K? Write chemical equation for the reaction.
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Chemical name: Calcium sulphate hydrated
Formula: CaSO₄.2H₂O
On heating gypsum at 373 K, gypsum changes to plaster of Paris.
∆
CaSO₄.2H₂O ⟶ CaSO₄.1/2 H₂O+ 3/2 H₂O
373k