CLASS 10 NOTES
SCIENCE
Acids, Bases and Salts
PRASHANT KIRAD
, PRASHANT KIRAD
Acids and Bases
Acids Bases
Sour in taste, Derived from Greek word
Bitter in taste.
“Acidus”.
Changes blue litmus into red. Changes red litmus into blue.
e.g. Sodium Hydroxide (NaOH),
e.g. Hydrochloric acid (HCl), Sulfuric acid,
Potassium hydroxide (KOH), Calcium
Nitric acid, Acetic acid, etc.
Hydroxide, Ammonium Hydroxide, etc.
D
RA
Acid-Base Indicators:
Natural indicators like litmus, turmeric, red cabbage leaves, and colored petals from
KI
flowers like Hydrangea, Petunia, and Geranium can show acidity or alkalinity. On the
other hand, synthetic indicators such as methyl orange and phenolphthalein are also
T
AN
used for the same purpose.
Red litmus solution Blue litmus solution Phenolphthalein solution Methyl Orange Solution
H
AS
Acid - No change Acid - Red Acid - Colorless Acid - Red
Base - Blue Base - No Change Base - Pink Base - Yellow
PR
Some naturally occurring acids:
“”
- Prashant Bhaiya
SCIENCE
Acids, Bases and Salts
PRASHANT KIRAD
, PRASHANT KIRAD
Acids and Bases
Acids Bases
Sour in taste, Derived from Greek word
Bitter in taste.
“Acidus”.
Changes blue litmus into red. Changes red litmus into blue.
e.g. Sodium Hydroxide (NaOH),
e.g. Hydrochloric acid (HCl), Sulfuric acid,
Potassium hydroxide (KOH), Calcium
Nitric acid, Acetic acid, etc.
Hydroxide, Ammonium Hydroxide, etc.
D
RA
Acid-Base Indicators:
Natural indicators like litmus, turmeric, red cabbage leaves, and colored petals from
KI
flowers like Hydrangea, Petunia, and Geranium can show acidity or alkalinity. On the
other hand, synthetic indicators such as methyl orange and phenolphthalein are also
T
AN
used for the same purpose.
Red litmus solution Blue litmus solution Phenolphthalein solution Methyl Orange Solution
H
AS
Acid - No change Acid - Red Acid - Colorless Acid - Red
Base - Blue Base - No Change Base - Pink Base - Yellow
PR
Some naturally occurring acids:
“”
- Prashant Bhaiya
