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

สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม