What are the products formed after cod analysis?
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Why is sulphuric acid added during the preparation of standard fas solution?
We see the sun before it rises above the horizon in the morning. Why?
Why do we feel chilly in damp clothes ?
What is specific conductivity?
Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?
why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH? explain plz....
Why cooling is produced when a wet ?khus khus? screen is hung on the doors and windows ?
why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
What is si unit of viscosity-coefficient?
What is mineral water?
Why are leaves of trees green ?
How many elements have been discovered ?