Question Detail Washing soda is ? sodium sulphitesodium bicarbonatesodiun carbonatesodium biosulphite Answer: Option C Similar Questions : 1. Which gas is used to manufacture vanaspati from vegetable oil is carbon dioxidenitrogenoxygenhydrogen Answer: Option D 2. The oxide of Nitrogen used in medicine as anaesthetic is ? Nitrogen pentoxideNitrous oxideNitric oxideNitrogen dioxide Answer: Option A 3. Which of the primary component of natural gas? EthanePropaneMethaneButane Answer: Option C 4. What is Calcium sulphate ? epsom saltblue vitriolgypsum saltpotash alum Answer: Option C 5. What is metallurgy ? process of extracting metal in pure form from its ore.process of creating alloys of metals.process of making metals live long.None of above. Answer: Option A Read more from - Chemistry Questions Answers