Question Detail What is Calcium sulphate ? epsom saltblue vitriolgypsum saltpotash alum Answer: Option C Similar Questions : 1. Enzymes are Fatty acidsCarbohydratesNucleic acidsProteins Answer: Option D 2. What is laughing gas ? nitrous oxidenitric oxidenitrogen oxidenitrogen peroxide Answer: Option A 3. The most abundant element in the earth's crust is ? AluminiumNitrogenSiliconOxygen Answer: Option D 4. Acids taste SourSweetMay be bothNone of both Answer: Option A 5. Which have maximum number of isotopes ? BromineAluminiumPoloniumCarbon Answer: Option C Read more from - Chemistry Questions Answers