1) Acid + Alkali → a) salt + hydrogen b) salt + water c) salt + water + carbon dioxide 2) Metal + Acid → a) Salt + Hydrogen b) Metal + Hydrogen c) Acid + Alkali 3) Metal Carbonate + Acid → a) Salt + Water + Carbon Dioxide b) Salt + Water c) Salt + Carbon Dioxide + Hydrogen 4) What happens when a substance is oxidised? a) It loses oxygen b) It gains oxygen c) It loses carbon 5) What happens when a substance is reduced? a) It loses oxygen b) It gains carbon c) It loses carbon 6) What name is given to a reaction that releases energy? a) endothermic b) exothermic 7) What name is given to a reaction that takes in energy? a) endothermic b) exothermic 8) What name is given to a reaction whereby a more reactive metal will replace a less reactive metal in a compound? a) replacement b) displacement c) decomposition 9) What name is given to a process whereby a substance breaks down when it is heated up? a) complete combustion b) thermal combustion c) thermal decomposition 10) What non-metal is often used to reduce metals with low reactivity during their extraction? a) carbon b) oxygen c) hydrogen

Making and Naming Salts

הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?