Question

(b) When do desert plants take up carbon dioxide and perform photosynthesis?
6. Name the type of chemical reaction represented by the following equation,
(i) CaO + H2O + Ca(OH)2
(ii) 3BaCl, + Al(SOS) - Baso, + 2AICI,
(ii) 2Feso, hent Fe,0, + So, + so,
7. Write the chemical equation of the reaction in which the following changes have
taken place with an example of each:
0) Change in colour
(in Change in temperature
Gil) Formation of precipitate
8. State the type of chemical reactions and chemical equations that take place in the
following:
(a) Electric current is passed through water,
(b) Ammonia and hydrogen chloride gases are mixed,
9. Discuss the importance of decomposition reaction in metal industry with three
points,
10. What is observed when a solution of potassium iodide solution is added to
a solution of lead nitrate? Name the type of reaction. Write a balanced
chemical equation to represent the above chemical reaction.
11.Write balanced chemical equations for the following reactions.
(a) Silver bromide on exposure to sunlight decomposes into silver and bromine.
(b) Sodium metal reacts with water to form sodium hydroxide and hydrogen gas.
12.Write balanced equation for the reaction between magnesium and hydrochloric acid
Name the product obtained, identify the type of reaction.​

Answer 1

Answer:

at night time

Explanation:

1.combination reaction

2.double displacement

3.double displacement