Consider the following statements 1. Gypsum is calcium sulphate hemihydrate 2. Retrograde solubility is striking feature of gypsum 3. Alabaster is a variety of gypsum Which of the following statement(s) given above is/ are incorrect?

Consider the following statements 1. Gypsum is calcium sulphate hemihy

1.	Consider the following statements 1. Gypsum is calcium sulphate hemihydrate 2. Retrograde solubility is striking feature of gypsum 3. Alabaster is a variety of gypsum Which of the following statement(s) given above is/ are incorrect?
Answer» 1 & 3 only 1 2 & 3 1, 2 & 3 Answer :B