Aquaregia is a mixture of the following in the ratio 1 : 3 by volume (1) conc. HNO3 and conc. HCl (2) conc. HNO3 and conc. H2 SO4 (3) dil. HCl and dil. HNO3 (4) conc. HCl and conc. HNO3 Answer : dil. HCl and dil. HNO3...
Aerated water contains (1) SO2 (2) NO2 (3) H2 (4) CO2 Answer : CO2...
Major gaseous pollutant of the thermal power station is (1) H2 S (2) NH3 (3) NO2 (4) SO2 Answer : SO2...
Interveinal necrotic spots on leaves appear due to (1) HF injury (2) SO2 injury (3) NO2 injury (4) O3 injury Answer : SO2 injury...
When a lead storage battery is discharged, (1) SO2 is evolved (2) Lead sulphate is consumed (3) Lead is formed (4) Sulphuric acid is consumed Answer : Sulphuric acid is consumed...
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