Which is the main constituent in air ?
Differentiate between organic and inorganic chemistry?
What is OOS $ OOT ?
Mention a few important criteria for satisfactory colorimetric analysis.
What is photoelectric colorimeter?
Acid rain is caused due to pollution of atmosphere by
Why ate the electric fuses used in an electric current ?
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
Explain the Conversion of atmospheric Nitrogen to plant ?
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?
Which is the main constituent in air ?
How can you mark your name on a glass plate by a simple chemical method ?
How is wood charcoal manufactured ?