Acids And Bases Flashcards
0
Q
Examples of strong acids
A
Hydrochloric acid (HCl) used in swimming pools Sulphuric acid (H₂SO₄) used in car batteries Nitric acid (HNO₃) used in explosives
1
Q
Physical properties of acids.
A
Tastes sour
Turns blue litmus red
Conducts electricity
Soluble in water
2
Q
Reaction rules of acids and bases
A
Acid + metal → salt + hydrogen gas
Acid + base → salt + water
Acid + carbonate → salt + water + carbon dioxide
3
Q
Physical properties of bases
A
Bitter taste
Turns red litmus blue
Conducts electricity
Soluble in water
4
Q
Other name for bases
A
Alkalis
5
Q
Where bases are found
A
Around the home in cleaning products.
6
Q
pH scale
A
1 Very acid ↑ Less acid 7 Neutral ↓ Less basic 14 Very basic
7
Q
What is a hp scale
A
A numerical measure of the strength of an acid or base
8
Q
Which ion is produced by acids
A
H+ (hydrogen ion)
9
Q
Examples of weak acids
A
Citric acid (C₆H₈O₇) found in citrus fruits Ethanoic/aietic acid (CH₃CoOH) found in vinegar Methanoic acid (CH₂O₂) found in ant venom
10
Q
Examples of strong bases
A
Calcium hydroxide (Ca(OH)₂) found in cement and paint stripper Sodium hydroxide (NaOH) found in soap and drain cleaner
11
Q
Examples of weak bases
A
Ammonia (NH₃) found in window cleaner Sodium hydroxide carbonate (NaHCO₃) used in baking Magnesium hydroxide (Mg(OH)₂) used as an anti acid Ammonium hydroxide (H₄OH) used as a cleanser
12
Q
Which ion is produced by bases?
A
OH- (hydroxide ion)
