Metal Reactions

Question 1

How does potassium react with water?

Answer 1

Violent reaction. Floats on the surface of the water, then melts and catches fire. Burns a lilac flame and hydrogen is given off.

Question 2

How does sodium react with water?

Answer 2

Rapid reaction. Floats on the water and is melted by the heat of the reaction. Hydrogen is given off.

Question 3

How does calcium react with water?

Answer 3

Reacts rapidly with cold water. Water turns milky white and hydrogen is given off.

Question 4

How does magnesium react with water?

Answer 4

Very slow reaction with cold water and slow reaction with hot water. Rapid reaction with steam to form magnesium oxide and hydrogen.

Question 5

How does iron react with water?

Answer 5

Rusts slowly in cold water

Question 6

How does zinc react with water?

Answer 6

No reaction with hot or cold water but reacts slowly with steam to form zinc oxide and hydrogen.

Question 7

What 3 Metals don’t react with water?

Answer 7

Silver, Gold and copper

Question 8

How does magnesium react with acid?

Answer 8

It dissolves and bubbles

magnesium+hydrochloric acid➡️magnesium chloride + hydrogen

Question 9

How does iron react with acid?

Answer 9

Gets a coating of bubbles

iron + hydrochloric acid➡️iron chloride + hydrogen

Question 10

How does zinc react with acid?

Answer 10

zinc+hydrochloric acid➡️zinc chloride+hydrogen

Question 11

How does copper react with acid?

Answer 11

Nothing happens