Vanda Parádi and Ágnes Melhardt Jurisich Miklós Gimnázium 10.D bilingual class.

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The forgotten nutrient

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Presentation transcript:

Vanda Parádi and Ágnes Melhardt Jurisich Miklós Gimnázium 10.D bilingual class

To drink or not to drink? - that is the question.

But what to drink? Coke? Coffee? Wine? Brandy? Water?

CaCO 3 +H 2 O+CO 2  Ca(HCO 3 ) 2 Limestone rocks Acidic rain waterCauses hard water MgCO 3 +H 2 O+CO 2  Mg(HCO 3 ) 2

German hardness 0 – 7 nk° very soft 0 – 7 nk° very soft 7 – 14 nk° soft 7 – 14 nk° soft 14 – 23 nk° medium 14 – 23 nk° medium above 23 nk°hard above 23 nk°hard

Advantages

Improves the taste of water Improves the taste of water

Calcium ions are good for your bones and teethCalcium ions are good for your bones and teeth

Good for brewing beer

Disadvantages

Wastes soap Wastes soap

Causes limescale in kettles and water boilers Causes limescale in kettles and water boilers Causes hot water pipes to become blocked Causes hot water pipes to become blocked

Although it has some disadvantages, we should drink hard water, because it’s healthier than the soft.

RDA 2.5 litres a day

Symptoms of too little intake: Weakness Weakness Wrinkled skin Wrinkled skin Irregular functioning of the heart Irregular functioning of the heart

Too much water: Blood becomes more dilute Blood becomes more dilute  Water moves into the cells Water moves into the cells  Swelling Swelling

Drink sufficient amount, but not too much hard water!!!