Question

1. There are different types of chemical
reactions occurring around us or being
carried out for the benefit of mankind,
e.g. combination reactions, decomposition
reactions, displacement reactions,
precipitation reactions, reduction-
oxidation (redox) reactions, photochemical
reactions etc.
Now, answer the following questions:
(i) Combustion of coke is a combination
reaction. CO2 is not a pollutant. Then
why is combustion of coke harmful?
(ii) Which reaction followed by two
combination reactions are involved in
white wash of walls?
() Give one use of tin plating in daily life.
(iv) How photochemical reactions have
played
important
photography?
rhe
role in
an​

Answer 1

Answer:

The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories. Some reactions will fit into more than one category.

Answer 2

Explanation:

अजीब तरह से गुजर गयी मेरी भी ज़िन्दगी,

सोचा कुछ, किया कुछ, हुआ कुछ, मिला कुछ।