10199045
Description
Flashcards by Molly Mcnally, updated more than 1 year ago
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Created by Molly Mcnally
over 7 years ago
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| Question | Answer |
| What is Combined to make ammonia? | Nitrogen and Hydrogen |
| Where does the Nitrogen come from? | The air |
| Where does the Hydrogen come from? | natural gas (methane) |
| describe the reaction | it is exothermic it is reversible |
| The symbol equation for the production of Ammonia | |
| The 3 factors for the correct envioment | 400'c - 450'c 200atm iron catalyst |
| what percentage of hydrogen and nitrogen converts to Ammonia? | 15% |
| What happens to the unreacted gasses? | They are recycled |
| Overall, what percentage of gas is conserved? | 98% |
| What does Nitrogen combine with to form salts and what are they called? | Nitrogen combines with Oxygen to make nitrates. |
| What kind salts does phosphorus form | phosphates |
| What from does Magnesium and Potassium come as in fertaliser? | Ions |
| What is an ion? | An ion is an atom that has lost or gained electron(s), so it has a full butter shell. |
| What is Nitrogen used for in plants? | Growth of leaves |
| What is Phosphurus used for in plants? | Growth of plant roots |
| What is potassium used for in plant? | Production of flowers and fruits (crops) |
| What is magnesium used for in plants? | Making chlorophyll (in the leaves used to make energy during photosynthesis) |
| What are the defficency signs for Nitrogen? | Turns orange in the middle of leaf, leaves fade, and become smaller |
| What are the defficency signs for Phosphorus? | Small roots and leaves edges are purple. |
| What are the deficiency signs for Potassium? | Yellow Leaves with dead spots (black spots). |
| What are the deficiency signs for Magnesium? | Leaves turn yellow from bottom and go up the plant. |
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