Carbon and its Compounds — Science STD 10 — Question

What will be the colour of litmus in an aqueous solution of ammonium chloride salt?

Name an alloy of lead and tin.

Name the indicator which can give us an idea of how strong or weak an acid or base is.

Write a balanced chemical equation for each of the following reaction and also classify them.
A piece of sodium metal is added to absolute ethanol to form sodium ethoxide and hydrogen gas.

What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride?

Name the non-metal which is used:
As a rocket fuel (in liquid form).

Name the scientist who prepared modern periodic table.

Give the constituents and one use of brass.

Draw the structures of:
Butyraldehyde.

Name two metals which form amphoteric oxides.