05 May Are you able to answer this Secondary Chemistry Tuition Question? (Part 4)
21 Three elements X, Y and Z have consecutive, increasing proton numbers.
If element X is a noble gas, what will be the symbol for the ions of element Z in its compounds?
A Z2− B Z+
C Z2+ D Z3+
22 Iron is extracted in the blast furnace using the raw materials haematite, coke and limestone.
Which substance undergoes thermal decomposition?
B carbon dioxide
23 In which test-tube is the iron nail most likely to rust?
24 Which metal is used in the sacrificial protection of iron pipes?
Miracle Learning Centre (O Level Chemistry Tuition/ IP Chemistry Tuition)
Did you answer the Secondary Chemistry Tuition Question correctly?
Learn from our Chemistry Tuition Question and Answer.
Miracle Learning Centre Call 6463 8756 or sms 8128 8342/9839 9908.
(Specialist in Science and Maths) for Primary, Secondary and JC levels.
Miracle Learning Centre specialises in Physics tuition, Chemistry tuition, Maths tuition and Science tuition Classes.