How is fluoride detected ?

How is ozone detected ?

How are microwaves produced ? How can they detected ?

How are infrared rays produced ? How they can be detected ?

How are radio waves produced ? How can they detected ?

Correct statements of the following are Fluorides can be detected by zirconium - alizarin S - dye Harmless level of fluorides in water is upto 10ppm In Nalgonda technique bleaching powder, lime and alum are added in the same order Less than 3ppm of fluoride concentration can caui1e fluorosis

What is the ratio of (a) gram atoms and (b) weights of the metals liberated during the electrolysis of fused sodium fluroide, magnesium fluoride and aluminium fluoride connected in a series?

How is the establishment of water and water vapour equilibrium detected?

Explain the formation of Boron tri-fluoride molecule by Hybridization.

How Iodoform reaction is useful in detecting CH_(3)CO- or CH_(3)CH(OH)- groups with sodium hypoiodite?