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What do fertilisers do?

How do we get the salt we use in food?

What are the products of electrolysis of brine?

Why is silica-rich magma more dangerous than iron-rich magma?

Why is granite harder than marble?

Why is steel used to reinforce concrete?

What is a smart alloy?

Write a balanced symbol equation for the reaction of sulfuric acid and ammonia

How do you make a fertiliser in a lab?

What is the Earth's lithosphere like?