how can we prepare gypsm
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It can be prepared by the action of dilute sulphuric acid on calcium carbonate or calcium hydroxide.
Properties:
- It is a white crystalline solid sparingly soluble in water. On heating to about 437 K, it changes into anhydrous calcium sulphate.
- Gypsum is usually white, colorless, or gray in color. But sometimes, it can also be found in the shades of pink, yellow, brown, and light green, mainly due to the presence of impurities.
- Gypsum crystals are sometimes found to occur in a form that resembles the petals of a flower. This type of formation is referred to as ‘desert rose’, as they mostly occur in arid areas or desert terrains.
- Gypsum is known to have low thermal conductivity, which is the reason why it is used in making drywalls or wallboards. Gypsum is also known as a natural insulator.
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Answer:
Hello
Explanation:
It can be prepared by the action of dilute sulphuric acid on calcium carbonate or calcium hydroxide. Properties: (i) It is a white crystalline solid sparingly soluble in water. On heating to about 437 K, it changes into anhydrous calcium sulphate.
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