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8Gc Metals & water

Last updated 3 months ago

12 questions

5

Match the correct statement to match the observation of alkali metals

Draggable item		Corresponding Item
Lithium		releases hydrogen gas, moves around the container
Rubidium		releases hydrogen gas, moves around the container quickly, forms a ball
Sodium		releases hydrogen gas, lilac flame
Potassium		violent reaction, hydrogen gas released very quickly
Caesium		very violent reaction, hydrogen gas is released very quickly

2

This reaction shows sodium and water. Name the products of this reaction

1

Name an indicator that we could use to test the pH of the product

The table below shows the reactivity series of metals with reactions in air and cold water. The reactivity increases as you move up the series.

1

Name a metal that reacts the most with oxygen and water

2

Identify two metals that are native metals

1

Give the correct order of reactivity for particular metals

1

Name a metal that is more reactive than sodium

1

Identify a metal less reactive than silver

1

Identify a metal that reacts with oxygen but not at all with water

2

* Metal X combusts in air and reacts slowly in water. Where would you place metal X is the reactivity series. Explain your answer

1

Name the products formed when metal X reacts with oxygen

1

Name the products formed when metal X reacts with water