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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Describe the chemical reaction that occurs when potassium is added to water.
Describe what happens when iron is placed in copper(II) sulfate solution.
Describe what happens when zinc reacts with dilute sulfuric acid.
Explain the term 'displacement reaction' with respect to metals.
Explain why aluminium appears unreactive in air, even though it is a reactive metal.
Explain why gold does not corrode easily.
Explain why iron corrodes faster in the presence of salt water than in pure water.
Explain why silver and gold are used to make jewelry.
The oxide of which metal is amphoteric?
(1) Sodium
(2) Aluminium
(3) Calcium
(4) Iron
Which of the following is a correct observation when copper is heated in air?
(1) It remains shiny
(2) It forms a black oxide
(3) It melts
(4) It forms a white powder
Which of the following is NOT a chemical property of metals?
(1) Reactivity with acids
(2) Malleability
(3) Formation of oxides
(4) Displacement reactions
Which of the following is NOT a product when iron reacts with steam?
(1) Iron(III) oxide
(2) Hydrogen gas
(3) Iron(II) sulfate
(4) Water
Fill in the blank: The chemical formula for rust is ________.
Fill in the blank: The process of coating iron with zinc to prevent rusting is called ________.
Fill in the blank: The process of extraction of metals from their ores is called ________.
Fill in the blank: The reaction of a metal with water produces a ________ and hydrogen gas.
Is it true that all metals displace hydrogen from acids?
State whether the following statement is true or false: Metals generally form acidic oxides.
True or False: All metals react with acids to produce hydrogen gas.
True or False: All metals react with oxygen to form basic oxides.
