acid bases and salts part 2 Flashcards
1
Q
substances are used to test whether a substance is acidic or basic are called ………………
A
indicators
2
Q
the indicators obtained from plants are called …………..
A
natural indicators
3
Q
examples of natural indicators
A
china rose, turmeric and litmus paper
4
Q
the most commonly used natural indicator is
A
litmus
5
Q
litmus is extracted from ……………
A
lichens
6
Q
when added to an acidic the litmus paper turn ……..colour
A
red
7
Q
when added to a basic the litmus paper turns……….. colour
A
blue
8
Q
lactic acid
A
curd
9
Q
oxalic acid
A
spinach
10
Q
ascorbic acid (vitamin c)
A
amla, citrus fruits
11
Q
tartaric acid
A
tamarind, grapes and unripe mangoes, etc
12
Q
calcium hydroxide
A
lime water
13
Q
ammonium hydroxide
A
window cleaner
14
Q
sodium hydroxide/potassium hydroxide
A
soap
15
Q
magnesium hydroxide
A
milk of magnesia
