Acids And Alkali Flashcards
What are acidic items?
Tea, orange juice, vinegar, lemon juice, etc.
What are all solutions in water?
Acid, neutral or alkali
What examples are neutral items?
Vodka, salt, water
What examples are alkali items?
Bleach, mr muscle, oven cleaners, toothpaste, indigestion tablets, including most other tablets and drugs, and most sweets.
What is the pH scale?
Measures how acidic or alkaline something is. Goes from 0-14. Neutral solutions have a pH of 7. Acids have a pH of less than 7, getting increasing acidic the lower it goes. Alkali are more than 7, getting increasingly alkaline the higher it is.
What examples are acids in the lab?
Hydrochloric acids
Sulphuric acid
Nitric acid
What examples are alkalis in the lab?
Sodium hydroxide
Potassium hydroxide
Ammonia
What is neutralisation?
When acids and alkali are added together they cancel out.
When an acid is added to an alkali, they cancel each other out, meaning the pH is neutral.
What is neutralisation in real life.
Too much acid in stomach causes indigestion. The medicine is alkalis. Plants- acidic soils. Lime on soil: alkaline.
Baking soda- sodium bicarbonate used to neutralise a bee sting. Acidic.
What names of salt are produced when acids react
Sodium chloride, common salt, potassium chloride/nitrate.