Sodium reacts with cold water to form _____ and _____ gas.
Sodium metal reacts vigorously with water.
(a) Name the gas evolved when sodium reacts with water.
(b) State whether the solution formed by the reaction of sodium with water is acidic or basic.
Sodium reacts with cold water to form a compound that burns with a flame. Guess the colour of flame.
Name the following-
1.A metal which is used as reactant in the laboratory preparation of hydrogen-
2-A metal which floats on the surface of cold water and reacts with it to form hydrogen gas-
3.A metal which sinks in cold water and reacts with it to form hydrogen gas-
When a dilute acid X reacts with sodium carbonate, then sodium chloride, gas Y and water are formed. A gas Y is formed in the form of brisk effervescence.What is gas Y?