Loading...
Loading...
Which of the following statements are NOT correct? A. Plaster of Paris is obtained on heating gypsum. B. Sodium carbonate is an important constituent of baking powder. C. Bleaching powder can also act as an oxidising agent. D. Ten water molecules are present in one formula unit of the chemical species commonly called blue vitriol. E. Sodium hydroxide is produced by passing electricity through the aqueous solution of sodium chloride.
This question appeared in the HPSC Prelims 2021 examination (GS-II). It is Question 52 out of 198 questions in this paper.
This question was part of the HPSC Prelims 2021 (GS-II). The HPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.