8Gc Metals & water

Last updated 5 months ago

12 questions

Match the correct statement to match the observation of alkali metals

Draggable item		Corresponding Item
Potassium		releases hydrogen gas, moves around the container
Sodium

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.

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