Chemical Properties of Metals
Chemistry ⇒ Metals and Non-metals
Chemical Properties of Metals starts at 7 and continues till grade 12.
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See sample questions for grade 8
Describe what happens when copper is added to iron sulphate solution.
Describe what happens when zinc is added to copper sulphate solution.
Explain why aluminium does not corrode easily even though it is a reactive metal.
Explain why iron rusts more quickly in coastal areas.
Explain why sodium and potassium are stored under oil.
Name a metal that does not react with dilute hydrochloric acid.
Name a metal that reacts with steam but not with cold water.
Name the gas evolved when zinc reacts with dilute sulphuric acid.
Which of the following is a chemical property of metals?
(1) Malleability
(2) Ductility
(3) Reaction with acids
(4) Sonority
Which of the following is a correct observation when magnesium ribbon is burnt in air?
(1) It forms a black powder
(2) It forms a white powder
(3) It forms a green powder
(4) No change
Which of the following is a correct word equation for the reaction of magnesium with steam?
(1) Magnesium + Steam → Magnesium oxide + Hydrogen
(2) Magnesium + Steam → Magnesium hydroxide + Hydrogen
(3) Magnesium + Steam → Magnesium chloride + Hydrogen
(4) Magnesium + Steam → Magnesium carbonate + Hydrogen
Which of the following is formed when copper reacts with moist air?
(1) Copper oxide
(2) Copper sulphate
(3) Copper carbonate
(4) Copper chloride
Fill in the blank: The oxide of aluminium is _______ in nature.
Fill in the blank: The process of depositing a layer of zinc on iron to prevent rusting is called _______.
Fill in the blank: The reaction of a metal with oxygen is an example of a _______ reaction.
Fill in the blank: The reactivity of metals _______ as we move down the group in the periodic table.
State whether the following statement is true or false: Iron reacts with cold water to form iron oxide and hydrogen gas.
State whether the following statement is true or false: Metals form acidic oxides.
State whether the following statement is true or false: Metals generally form positive ions by losing electrons.
True or False: All metals react with dilute acids to produce hydrogen gas.
