Question

2) acetic acid
c) lactic acid
(d) sulphuric acid
China rose indicator is turned green by a solution. The solution is:
acidic
basic
cbeutral
(dall of these depending on the conditions
Vinegar is:
a Deutra
(b) acidic
c) basic
(d) a salt
Lisbeide will turn :
a blue litmus red
(b) methyl orange ye
c) red litmus blue
(d) phenolphthalein
Which one of the following is not a natural indicator?
(b) phenolphthalein
c) turmeric
(d) china rose
IN THE BLANKS
The bases tun
litmus to
An effective antacid contains
in water is called alkali.
The base which is
belp in indigestion.
and
are synthetic indicat
WRITET FOR TRUE AND F FOR FALSE STATEMENTS
Acidic materials taste bitter, whereas basic materials taste sour.
2 Methyl orange gives pink colour with bases.
Baking soda is an acid.
A salt solution that turns red-cabbage juice red is basic in nature
Sting of an ant contains acetic acid.
61 Science-​

Answer 1

Viniger is acidic in nature