Sulfur and Oxides Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Acidic foods are mostly preserved with the help of a solution made from

1. sulfur dioxide
2. ammonium nitrate
3. ammonium phosphate
4. ammonium sulfate

MCQ 2: Sulfur compounds are present as impurities in

1. crude oil
2. natural gas
3. coal
4. all of above

MCQ 3: Acid rain falls in streams, rivers, lakes and makes them

1. clean
2. pollute
3. acidic
4. none of above

MCQ 4: Chemists have produced low sulfur version of petrol and diesel to reduce the emission of

1. sulfur dioxide
2. carbon dioxide
3. carbon monoxide
4. sulfur trioxide

MCQ 5: Sulfur dioxide is added to foods to stop

1. oxidation of fats only
2. over ripening only
3. reduction of sugars
4. oxidation of fats and over ripening