Question

2. Ammonia compounds are a great importance of fertilizer:-
a. Why do these compounds help plant growth?
b. Name one natural fertilizer?
C. Name two compounds containing nitrogen which are manufactured for use as fertilizers?
d. Why are some fertilizers not suitable for quick-growing vegetables like lettuce?
3. Iron reacts with sulphuric acid like this:
Fe (s) + H2SO4 (aq)_________ FeSO4 (aq) + H2 (g)
a.Write a word equation for this reaction?
a. b. Write down four different ways in which the rate of the reaction could be measured?
4. What is a catalyst? Give two examples of reactions and their catalyst?
5.In your own words, explain why the reaction between magnesium and acid goes faster when:
a. The temperature is raised?
b. The magnesium is powdered?
6. What is a reversible reaction?
7. Name the acids formed by:
a. Hydrogen chloride b. Hydrogen bromide c. Hydrogen iodide
8. For making sulphuric acid, name:
a. The process? b. The raw materials? c. The catalyst?
9 Look at each description below in turn. Say whether it its oxyeen or sulphur or chlorine.

Answer 1

Explanation:

Aloha !

1)Ammonia helps to growth of plants such that plants absorb ammonia through roots and ensure its growth.

2) Dug

3)urea &amine

Thank you

@ Twilight Astro ✌️☺️♥️

Answer 2

Answer:

a) Ammonia us present us soil, air and water and us a very important source of Nitrogen and helps the plant to grow.

b) Mushroom manure

c) Urea

A catalyst is a compound which speeds up the rate of the reaction.

Eg:- Hydrogen peroxide, Potassium permanganate.

A reversible reaction is a reaction in which the products can be again converted into reactants.

7 HCl, HBr, HI