Question

Some observations of the reactions of the metals Al ,Na ,Fe ,Cu with water are given

1. One metal react with cold water to form an alkali and a gas .

2. Another metal react only with steam to form a gas

a) Which is the gas formed when metal react with water ?

b) Which of the above metal give the observation of 1 and 2 ?

c) Write the equation of the reaction which gave the first observation ?​

Answer 1

1. Na
2. Al

• hydrogen
• Cu
• Na + H20---- NaOH+H2+heat