Ansiver the following in not more than 40 words.
1. Name an acidie gas which is discharged into the atmosphere on the burning of fuels like coal
and natural gas. How is this gas formed?
2. What are the general properties of basic substances?
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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:basic subs. have pH more than 7
they are bitter in taste
they change red litmus to blue
change phenolphthalein to pink
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