Tuesday, May 6, 2014

P H TESTS

ACID RAIN?

Rain is very important for life. All living things need water to live, even people.
Rain brings us the water we need. But in many places in the world even where you live, rain has become a menace.
Because of pollution in the air, acid gases from factories, cars and homes, the rain is becoming dangerous for the life of every living creature.
This rain is known as 'acid rain'.

Acid gases are produced when fossil fuels like coal and oil are burned in power stations, factories and in our own homes. Most of these acid gases are blown into the sky, and when they mix with the clouds it can cause rain - or snow, sleet, fog, mist or hail - to become more acidic.
The opposites of acid are alkalis; for example, toothpaste is alkaline Strong alkalis can also be dangerous.




Hypothesis


HCL
After Shave
Soy Sauce
Coffee
Na OH
Bathroom Cleaner
Pepsi
Orange Juice
Rain Water
Tap Water

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