Question

1. What is difference between a combustible and a non-combustibles
2. What harmful products are formed by the burning of fuels?

3.What is acid rain? Does it harm the environment?

4. What is explosion​

Answer 1

Answer:

1The difference between the combustible and non-combustible substances are explained below. A substance which burns in air and tends to produce heat and light is known as Combustible substances. Non-combustible substances are certain substances which are not combustible in the presence of air.

Answer 2

1. Answer:

• A substance which burns in air and tends to produce heat and light is known as Combustible substances. Non-combustible substances are certain substances which are not combustible in the presence of air. Will not burn on being exposed to flame.

Products formed during combustion of fossil fuels.

• The primary pollutants are Carbon Monoxide (CO), Carbon Dioxide (CO2), Sulfur (SO2), Nitrogen Dioxide (NOx), Nitric Oxide (N2O), Volatile organic compounds (VOCs), and Hydrocarbons (HCs).
• The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes.a sudden and extremely violent release of energy or bursting.