Of the biological and chemical insecticides which will be used in the agricultural garden in your home? Why?

A polymide formed from ethylene glycol and a dlcarboxylic acid, which is used to make fabrics as a blend with cotton. Give the chemical equation showing the synthesis of the polyamide.

A sample of galena (PbS) is contaminated with zinc blende (ZnS). Name one chemical which can be used to concentrate galena selectively by froth floatation method?

Some of you may be using LPG in your houses.What is the weight of the LPG filled in the cylinders supplied to your homes?

Which are the chemicals used to prepare ammonia in the labortary?

Which are the chemicals used to prepare ammonia in the aboratory?

Which are the lamps that are mostly used ? Why ?

X' is a polymer formed from an unsaturated halogen compound which is chemically inert and is used for making frying pans. a. Identify the polymer X b. Why do we use X for making non- sticky frying pan?