uses of ammonia

Uses of Ammonia - Following are the chief uses of ammonia: 1) Ammonia is used in the industrial preparation of nitric acid by Ostwald's process. 2) Fertilisers, such as ammonium sulphate, ammonium nitrate, ammonium phosphate, urea etc. are..

Fertilisers, such as ammonium sulphate, ammonium nitrate, ammonium phosphate, urea etc. are manufactured with the help of ammonia..

Ammonia solutions are used to clean, bleach, and deodorize; to etch aluminum; to saponify (hydrolyze) oils and fats; and in chemical manufacture. Ammonia is also used in large amounts in the Ostwald process for the synthesis of nitric acid; in the Solvay..

Choose the smallest number using the 3 digits 546. => 445 or 546 or 654 or 456..

Boron, Carbon, Nitrogen and Oxygen..

How many different code numbers can be created using 3 letter and 3 digits (repetition not allowed)? => 26 P 3 x 10 P 3 x 6! or 36 C 6 or 26 C 3 x 10 C 3 x 6! or 26 C 3 x 10 C 3..

Find the surface area of the cylinder. [Use π = 3.14] => 402 cm or 400 cm 2 or 400 cm or 402 cm 2..

Tony, a fashion designer, uses 3.9 m of a fabric to make an exclusive outfit. How much fabric does he need to make 9 such outfits? => 35.1 m or 36.1 m or 34.1 m or 37.1 m..

Choose the correct addition and subtraction fact family using 3, 2, and 5. => 3 + 2 = 5, 5 - 3 = 2 or 5 + 2 = 3, 2 - 3 = 5 or 9 + 5 = 4, 4 + 5 = 9 or 9 + 5 = 4, 5 - 9 = 4..

The diameter of a circle is 6 yds. Find the area? (Use π = 3.14.) => 113.04 sq.yds. or 28.26 sq.yds. or 18.84 sq.yds. or 56.52 sq.yds...