Question

1. Name an acidic gas which is discharged into the atmosphere on the burning of fuels like coal
and natural gas. How is this pas formed?
2. What are the general properties of basic substances?​

Answer 1

Answer:

1) Coal and methane(CH4)mainly contain carbon so burning them specifically gives out CO2. However burning of coal causes pollution as other acidic gases such as SO2 and NO2 are also released which are considered to be pollutants because on coming in contact with rain, they convert to respective acids (H2SO4 and H3PO4).

2)Chemical Properties of Bases

Bases change the colour of litmus from red to blue.

They are bitter in taste.

Bases lose their basicity when mixed with acids.

Bases react with acids to form salt and water. ...

They can conduct electricity.

Bases feel slippery or soapy.

Some bases are great conductors of electricity.

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Answer 2

Answer:

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