Salt Preparation - Lesson 4 Flashcards
1
Q
What is the definition for an Acid?
A
Acid is a substance with release H+ in an aqueous environment.
2
Q
What is the definition for a Base/Alkali?
A
A base is a substance that accepts H+ ions or releases H+ ions when dissolved in water. Bases are often slippery.
2
Q
Key Characteristics of Acids are…
A
- Sour taste
- Reacts with Metals
- Turn blue litmus paper red.
- Can corrode or dissolve certain materials.
- ph value less than 7.
3
Q
Key Characteristics of Bases are…
A
- Bitter in taste
- Feels Slippery
- Turns red litmus paper blue.
- ph value greater than 7.
- Can neutralize acids.
4
Q
Examples of Acids;
A
-Citric Acid
- Acetic Acid
- Hydrochloric Acid (HCl)
- Sulfuric Acid (H2SO4)
5
Q
Examples of Base/ Alkalis;
A
- Ammonia (NH3)
- Calcium Hydroxide (Ca(OH)2)
- Baking Soda (NaHCO3)
- Sodium Hydroxide (NaOH)
6
Q
When metal oxide dissolves in water what does it form?
A
An Alkaline Solution
