Question

a colourless and odourless gas evolves if we add zinc granules to dilute hcl. the gas is tested then with a burning matchstick. what will be our observation

Answer 1

2Zn+2Hcl-- 2ZnCl+H2
Hydrogen gas will be formed with a pop sound when burning matchstick is brought near it

Answer 2

hydrogen gas is released nd if we bring a matchstick near it ,will burn with a pop sound.