Which is useful in the manufacture of Insectisides?

Answer Posted / rsb

Rotenone, Azadirachtin are natural insecticides, synthetic routes are deveoped recently.
DDT, Gammaxene were used but were scraped out as they pose health hazards and are insects are able sustain the max. dosages every year. Generally, Semio-chemicals, a class of compounds found in insects themselves are being studied and used as effective insecticides and warfare agents

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

hi, i want last 10 years ongc exam recruitment papers for subject in chemistry ,genaralknowladge.

2362


What is use of acetonitrile compare to methanol in RP-HPLC Method development?

1529


hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com

2454


Explain the process of obtaining Protactinium from its primary sources and its purification methods.

135


Can we consider in purity angel

1332






Actinium is part of the actinide series. Could you explain the significance of this series and its placement in the periodic table?

134


Actinium-227 can decay into Thorium-227. Explain the significance of this decay chain and its applications, particularly in nuclear physics.

135


what things are suitable for investigatory project?

2255


What precaution u take when doing rs preparing

1632


What is the difference between cracking, pyrolysis, destructive distillation, hydroforming, carbonization and dry distillation?

9293


How does Actinium contribute to our understanding of nuclear structure and properties, and what experiments or studies have been conducted to explore this aspect?

131


how we change 0.1N KmNo4 solution to 0.01N KmNo4 solution.

1544


seminal on pyrimidine

1708


Protactinium is a rare and highly radioactive element. How is its radioactivity utilized in various scientific and industrial applications?

129


Why we are use glass viscometer, and what is calculation manual calculation formula as per USP. How many types of viscometre in glass type viscometer.

1868