NDA Acids & Bases — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NDA Acids & Bases in the app →All acids in aqueous solution release:pH of pure water at 25 °C is:An indicator that turns RED in acidic solution and BLUE in basic solution is:Acid + Base → Salt + Water is called:The chemical name of common salt (used in cooking) is:Bleaching powder used in disinfection of water has the formula:Baking soda (sodium hydrogen carbonate) has the formula:Washing soda is sodium carbonate decahydrate, formula:When an acid reacts with a metal, the gas usually evolved is:When a carbonate reacts with an acid, the gas evolved is:The salt formed from NaOH + HCl is:Plaster of Paris (POP) has the formula:An acid that is also a strong dehydrating agent and is used in car batteries is:pH of the stomach (gastric juice) is approximately:Tooth enamel is made of: