Need help with this question asap :)
-20 points!..

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion