Experimental Techniques Quiz Questions and Answers PDF - 49

MCQ 241: Slow cooling always yields crystals

1. Smaller
2. Bigger
3. No Crystals
4. Minimum

MCQ 242: The main source of Carbon monoxide is

1. Volcanic eruption
2. Transportation
3. Emission of natural gas
4. Methane oxidation

MCQ 243: Which one of the following is used to kill bacteria in drinking water and swimming pools?

1. Fluorine
2. Chlorine
3. Bromine
4. Iodine

MCQ 244: The most important precipitating agent used in precipitation titration is

1. Silver nitrate
2. Sodium nitrate
3. Potassium nitrate
4. Calcium nitrate

MCQ 245: When dissolved in water, metals give oxides

1. Acidic
2. Basic
3. Amphoteric
4. None