ACIDS, BASES
AND NEUTRALS
PAGE 96
TASTE OF SUBSTANCE
THE FOOD YOU LIKE DEPENDS
ON HOW THEY TASTE FOR YOU.
FOOD & DRINKS CONTAIN
ACIDS & BASES.
TOUNGE HAS 4 DIFFERENT
TASTES: SALTY, SWEET, SOUR,
BITTER.
DON'T WRITE THIS
01
02
03
ACIDS
Sour taste & feel rough on
skin
Example: Vinegar
BASES
Bitter taste that feel
slippery
Example: Soap
CORROSIVE
Substance that eats through
clothing, stonework and
metals, and burns skin
PROPERTIES OF
ACIDS, BASES AND
NEUTRALS
PROPERTIES OF
ACIDS
TASTE SOUR
FEEL ROUGH ON SKIN
ARE STRONG &
CORROSIVE, ARE
DANGEROUS TO
TASTE OR FEEL
TASTE BITTER
PROPERTIES OF BASES
ALKI - BASIS
THAT CAN
DISSOLVE IN
WATER
FEELS SLIPPERY
ON SKIN
ARE CORROSIVE &
CAUSTIC &
DANGEROUS TO
TASTE OR FEEL.
NEUTRALS
NOT ACID OR BASE
EXAMPLE: PURE WATER/SALT
VISION DESCRIPTION
Presentations are communication tools
that can be used as demonstrations,
lectures, speeches, reports, and more.
ACID-BASE INDICATORS
INDICATORS = DYES THAT CHANGES
COLOUR IN ACIDS & BASES
They are indicators to identify acids
or bases.
It is safter than to tasting
substances.
Example of indicator: Litmus paper
Turns red in acids & blue in bases