What methods are used for preservation of food ?

Which different methods are used for transportation of patients? Why?

Which different methods are used for transportation of patients? Why?

State the methods of fish preservation.

Many microbes are used at home during preparation of food items. Comment on some useful ones with exampls.

Commonly used food preservative is

Which method is used for the purification of more reactive metals?

Answer the following questions: What are the different methods used for removing gangue from ores ?

Mention the methods used for coagulation of lyophobic sols.

Dumas method is used for the estimation of ________.

Steam distillation method is useful for the purification of