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acids and alkalis
Question | Answer |
---|---|
3 examples of acids | citric acids, saliva, stomach acid |
properties of acids | acids are highly reactive and if tasted slightly sour |
properties of alkalis | Jelly touch |
what colour do acids and alkalis turn litmus paper? | acids = red alkalis = blue |
what is the scientific word that 'eats away things' | corrosive |
A pH below seven is ......... A pH above seven is ........ A pH of seven is ......... | A pH below seven is AN ACID A pH above seven is AN ALKALI A pH of seven is NEUTRAL |
what always contains hydrogen? | Acids |
ALL ALKALIS ARE ...... | ALL ALKALIS ARE BASES |
what do you not get in neutralization | BUBBLES |
What does pH stand for? | power of hydrogen |
what does an indicator tell you | - whether a solution is acidic or alkaline - how acidic or alkaline |
what is neutralization? | neutralization is when an acid an an alkali react to produce a salt plus water |
equation for neutralization | ACID + ALKALI =(should be an arrow) A SALT + WATER |