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Acids and Alkalis
Question | Answer |
---|---|
What colour should phenolpthalein turn when an acid and alkali react? | Pink |
What colour should universal indicator turn when the pH is 7? | Green |
What is the titration equation | (C1*V1)/n1 = (C2*V2)/n2 |
What ion is most abundant in acids? | H+ |
What ion is most abundant in bases? | OH- |
What is used most commonly used to test the acidity or alkalinity of a substances? | Litmus Paper |
What is the chemical formula for Hydrochloric Acid | HCl |
What is ALWAYS formed when an acid and a base react? | Salt and Water |
Name the 4 lab acids | Sulphuric Acid, Nitric Acid, Ethanoic Acid, Hydrochloric Acid |
Name a use of Nitric Acid | Fertilisers |
What do the bonding in acids and the bonding in alkalis have in common | They are both ionic |