Kidney stones are composed of ______.
1). Calcium Oxalate
2). Sodium Chloride
3). Magnesium Nitrate
4). Calcium Bicarbonate
1. Bleaching powder is used in drinking water as a an
2. Muddy water is treated with alum in purification process, it is termed as :
3. Question 5.26:Explain the terms with suitable examples:(i) Alcosol (ii) Aerosol (iii) Hydrosol
6. Photo-oxidation process is initiated by
7. The iron ore which contains 72% of iron is :
8. Which one of the following elements is least likely to be found in commercial fertilisers?
9. The major constituent of air is
10. Oxide of sulphur present in the atmosphere are washed down by rains to cause :