3️⃣Reacting Metals With Water 💦

Question 1

What safety precautions should be taken when using potassium and lithium and sodium

Answer 1

Safety screen
Safety glasses
Metals stored under oil

Question 2

Why are lithium, sodium, potassium stored under oil in their jars

Answer 2

They could react with the water in the air

Question 3

What are the alkaline solutions formed as group 1 metals that react with water called?

Answer 3

Hydroxides

Question 4

What is the equation for hydroxides

Answer 4

Metal ➕water➡️metal hydroxide ➕hydrogen

Question 5

What is the observation of the metals when calcium are put into water

Answer 5

Sinks and rises
Bubbles of gas
Vigorous reaction
Calcium dissolves

Question 6

What is the observation of the metals when magnesium are put into water

Answer 6

A few bubbles of gas
Reacts slowly

Question 7

What is the observation of the metals when copper are put into water

Answer 7

Does not react

Question 8

What are 2 things produced when metals react with water?

Answer 8

Metal hydroxide ➕ hydrogen

Question 9

Calcium ➕ water

Answer 9

Calcium hydroxide ➕ hydrogen

Question 10

Magnesium ➕ water

Answer 10

Magnesium hydroxide ➕ hydrogen

Question 11

Copper ➕ water

Answer 11

No reaction