â My partner and I had a long talk over breakfast this morning about term life insurance. We weighed the pros and cons and found ourselves wanting to talk to an expert on the matter. Was this Helpful?
Rocks are used all around us in many different ways. In the classroom, students use rocks everyday. Graphite, a metamorphic rock, is the part of the pencil used for writing.Slate, another metamorphic rock, was used to make blackboards in years past.Now most blackboards are constructed of man-made materials. Chalk is a soft form of limestone which is a sedimentary rock.ocks are used all around us in many different ways. In the classroom, students use rocks everyday. Graphite, a metamorphic rock, is the part of the pencil used for writing.
EXAMPLES of the 'everyday life' of acids, alkalis and neutralisation to form salts. In the HOME: You can pre test the soil with pH paper and match the colour the paper turns with the pH number it indicates. These chemicals can be used on a larger scale in farming and treating acidic rivers and lakes.mmonium salts, phosphate salts and magnesium/potassium sulfate salts are used in fertilisers for the garden. Soluble aspirin is made by neutralising the acidic form of the medication with sodium hydroxide to make a soluble salt, or its made in situ with a bicarbonate 'fizzing' mixture.