Question

Subject- Chemistry
Q1. What happens when a piece of-
() Zinc metal is added to copper sulphate solution?
(ii)
Aluminium metal is added to dilute hydrochloric acid?
(iii) Silver metal is added to copper sulphate solution?
Q2. What do you mean by a precipitation reaction? Explain by giving two examples.
Q3. Write the balanced equation for the following chemical reactions.
(i) Hydrogen + Chlorine-Hydrogen chloride
(ii) Borium chloride + Aluminium sulphate-Barium sulphate + Aluminium chloride
(iii) Sodium + HaterSodium hydroxide + Hydrogen
04. Why do we store silver chloride in dark coloured bottles?
Q5. 2g of ferrous sulphate crystals are heated in dry boiling tube?
(i) List any two observations.
(ii) Name the type of chemical reaction taking place.
(iii) Write the chemical reaction for the reaction.
Q6. Write chemical equation reactions taking place when carried out with with the help of-
(i)Iron reacts with steam.
(ii) Magnesium reacts with dil HCI
(iii) Copper is heated in air​

Answer 1

after reading whole question I will try to answer it.

Explanation:

wait I will back soon and don't ask many questions at once this will difficult to answer for the people's.