- [Easy]Repeated measurements close together but deviating from true value show:...
- [Easy]KMnO4 acts as self-indicator because:...
- [Easy]Characteristic violet flame indicates presence of:...
- [Medium]At titration endpoint, indicator color change signifies:...
- [Medium]Phenolphthalein is suitable indicator for titration of:...
- [Hard]Black precipitate formed with H2S in acidic medium indicates:...
- [Easy]Sulphate ion confirmed by formation of white precipitate with:...
- [Hard]Mixture of 0.020 mol NaOH and 0.015 mol H2SO4 reacts (complete neutralization). Moles of salt formed (Na2SO4) are:...
- [Hard]In gravimetric analysis precision improves by:...
- [Easy]Chloride ion gives curdy white precipitate with:...
- [Medium]Primary standard characteristics include:...
- [Hard]Back titration used when:...
- [Hard]EDTA titration of Ca2+ requires buffer to maintain pH around:...
- [Medium]Fe3+ produces blood-red coloration with thiocyanate due to formation of:...
- [Medium]Indicator error minimized by selecting indicator whose transition range:...