H4P2O7 is the chemical formula of _____________ phosphoric acid?

Raw materials for nitric acid manufacture are___________________?

A. Hydrogen peroxide, air and water

B. Anhydrous ammonia and air

C. Anhydrous ammonia, air and water

D. Wet ammonia, air and water

Plant tranquillisers___________________?

A. Hold back stem growth and halt plants at a desired height

B. Cause early maturation of plants

C. Accelerate ripening of food and grain

D. Produce seedless fruit

Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?

A. Urea

B. Ammonium nitrate

C. Calcium ammonium nitrate (CAN)

D. Ammonium sulphate

Nitrogen content of urea is about _____________ percent ?

A. 10

B. 46

C. 80

D. 94

With increases in pressure, the conversion of Ammonium carbamate into urea___________________?

A. Increases

B. Decreases

C. Remains unaltered

D. Can either increase or decrease depends on biuret content