C: potassium
Oracle Prep sorts past-paper questions by topic, so you can drill Acids, Bases & Salts and see which topics are most likely to come up next.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
Which compound is insoluble in water?
The following statements about dilute sulfuric acid are all correct. 1 Addition of Universal Indicator shows that the…
Which of the following pairs of compounds react together to produce ammonia? 1. ammonium nitrate and calcium carbonat…
A 10 cm³ sample of a gaseous hydrocarbon is completely burnt in oxygen. The total volume of the products is 70 cm³. A…
The boiling points of the alcohols increase as their relative molecular mass increases. Which alcohol has the highest…
Which of the following is a type of naturally occurring polymer?