Question

105. A colourless liquid is added to small bits of zinc metal, a colourless gas is produced.
The gas is collected in a balloon, tied and released. The balloon goes up to the roof
top. The remaining products are treated with barium chloride. A white precipitate
is formed with this data answer the following:
a) What is the name of formula of the colourless liquid ?
b) What is the gas collected in the balloon and why does the balloon go up ?
c) Write the equation of the reaction taking place when the colourless liquid is
added to zinc.
I
d) Why is the precipitate formed ?​

Answer 1

Answer:

b) hydrogen gas bcs it is very light gas